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Insider Trading Arrangements	3 Months Ended
Insider Trading Arrangements	Mar. 31, 2024
Trading Arrangements, by Individual
Rule 10b5-1 Arrangement Adopted	false
Non-Rule 10b5-1 Arrangement Adopted	false
Rule 10b5-1 Arrangement Terminated	false
Non-Rule 10b5-1 Arrangement Terminated	false
Rule 10b5-1 Arrangement Modified	false
Non-Rule 10b5-1 Arrangement Modified	false

Organization and Basis of Presentation	3 Months Ended
Mar. 31, 2024
Organization And Basis Of Presentation [Abstract]
Organization and Basis of Presentation	1. Organization and Basis of Presentation Evoke Pharma, Inc. (the “Company”) was incorporated under the laws of the state of Delaware in January 2007. The Company is a specialty pharmaceutical company focused primarily on the development and commercialization of drugs to treat gastroenterological disorders and disease. Since its inception, the Company has devoted its efforts to developing its sole product, Gimoti® (metoclopramide) nasal spray, the first and only nasally-administered product indicated for the relief of symptoms in adults with acute and recurrent diabetic gastroparesis. On June 19, 2020, the Company received approval from the U.S. Food and Drug Administration (“FDA”) for its 505(b)(2) New Drug Application (“NDA”) for Gimoti. The Company launched U.S. commercial sales of Gimoti in October 2020 through its commercial partner Eversana Life Science Services, LLC (“Eversana”). The Company’s activities are subject to the significant risks and uncertainties associated with any specialty pharmaceutical company that has launched its first commercial product, including market acceptance of the product and the potential need to obtain additional funding for its operations. Going Concern The financial statements have been prepared assuming the Company will continue as a going concern, which contemplates the realization of assets and the satisfaction of liabilities in the normal course of business. The Company has incurred recurring losses and negative cash flows from operations since inception and expects to continue to incur net losses for the foreseeable future until such time, if ever, that it can generate significant revenues from the sale of Gimoti. As of March 31, 2024, the Company had approximately $9.7 million in cash and cash equivalents. The Company anticipates that it will continue to incur losses from operations due to commercialization activities, including manufacturing Gimoti, conducting the post-marketing commitment single-dose pharmacokinetics (“PK”) clinical trial of Gimoti to characterize dose proportionality of a lower dose strength of Gimoti, and for other general and administrative costs to support the Company’s operations. Additionally, if Eversana were to terminate the Commercial Services and Loan Agreement as described in Note 4, the principal and interest on the Loan, $6.7 million as of March 31, 2024, becomes due in 90 days. As a result, the Company believes that there is substantial doubt about its ability to continue as a going concern for one year after the date these financial statements are issued. The financial statements do not include any adjustments that may result from the outcome of this uncertainty. The Company’s net losses may fluctuate significantly from quarter-to-quarter and year-to-year. The Company anticipates that it will be required to raise additional funds through debt, equity or other forms of financing, such as potential collaboration arrangements, to fund future operations and continue as a going concern. There can be no assurance that additional financing will be available when needed or on acceptable terms. If the Company is not able to secure adequate additional funding, the Company may be forced to make reductions in spending, extend payment terms with suppliers, and/or suspend or curtail commercialization activities. Any of these actions could materially harm the Company’s business, results of operations, financial condition and future prospects. There can be no assurance that the Company will be able to successfully commercialize Gimoti. Because the Company’s business is entirely dependent on the success of Gimoti, if the Company is unable to secure additional financing, successfully commercialize Gimoti or identify and execute on strategic alternatives for Gimoti or the Company, the Company will be required to curtail all of its activities and may be required to liquidate, dissolve or otherwise wind down its operations. Notice of Delisting On May 24, 2023, the Company received a written notice from Nasdaq indicating that, based on the Company's stockholders’ equity of $2.1 million as of March 31, 2023, as reported in the Company's Quarterly Report on Form 10-Q for the quarter ended March 31, 2023, the Company was not in compliance with the minimum stockholders’ equity requirement for continued listing on The Nasdaq Capital Market under Nasdaq Listing Rule 5550(b)(1) (the “Minimum Stockholders’ Equity Requirement”). As required by Nasdaq, the Company submitted its plan to regain compliance with the Minimum Stockholders’ Equity Requirement and Nasdaq granted the Company an extension until November 20, 2023 to regain compliance. Following notice on November 21, 2023 from Nasdaq that the Company had not met the Minimum Stockholders’ Equity Requirement, the Company requested a hearing before the Nasdaq Hearings Panel (the “Panel”) and on December 9, 2023, Nasdaq notified the Company that the hearing was scheduled for February 15, 2024. On February 15, 2024, the Company had the hearing before the Panel. On March 18, 2024, the Company announced that the Panel granted the Company’s request to continue its listing on the Nasdaq Capital Market, subject to the Company filing a Form 10-Q on or before May 15, 2024, demonstrating that, as of March 31, 2024, the Company is in compliance with the Minimum Stockholders’ Equity Requirement. The Panel noted the Company’s steps to maintain compliance with the Minimum Stockholders’ Equity Requirement on a long-term basis, including the equity financing completed in February 2024, which provided the Company net proceeds of $6.2 million, and the potential for additional capital from the exercise of the warrants issued in the February 2024 financing. The Panel also noted that it is a requirement during the exception period that the Company provide prompt notification to the Panel of any significant events that occur during this time that may affect the Company’s compliance with Nasdaq’s requirements. This includes, but is not limited to, any event that may call into question the Company’s ability to meet the terms of the exception granted. The Panel reserved the right to reconsider the terms of the granted exception based on any event, condition or circumstance that exists or develops that would, in the opinion of the Panel, make continued listing of the Company’s securities on the Nasdaq Capital Market inadvisable or unwarranted. As of March 31, 2024, the Company remained in compliance with the Minimum Stockholders’ Equity Requirement. On February 21, 2024, the Company received a letter from Nasdaq indicating that, for the last thirty consecutive business days, the bid price for the Company's common stock had closed below the minimum $1.00 per share requirement for continued listing on the Nasdaq Capital Market. In accordance with Nasdaq listing rules, the Company was provided an initial period of 180 calendar days, or until August 19, 2024, to regain compliance. The letter states that Nasdaq will provide written notification that the Company has achieved compliance with its rules if at any time before August 19, 2024, the bid price of the Company's common stock closes at $1.00 per share or more for a minimum of ten consecutive business days. The Nasdaq letter had no immediate effect on the listing or trading of the Company's common stock and the common stock continued to trade on The Nasdaq Capital Market.

Organization and Basis of Presentation

3 Months Ended

Mar. 31, 2024

Organization And Basis Of Presentation [Abstract]

Organization and Basis of Presentation

1. Organization and Basis of Presentation

Evoke Pharma, Inc. (the “Company”) was incorporated under the laws of the state of Delaware in January 2007. The Company is a specialty pharmaceutical company focused primarily on the development and commercialization of drugs to treat gastroenterological disorders and disease.

Since its inception, the Company has devoted its efforts to developing its sole product, Gimoti® (metoclopramide) nasal spray, the first and only nasally-administered product indicated for the relief of symptoms in adults with acute and recurrent diabetic gastroparesis. On June 19, 2020, the Company received approval from the U.S. Food and Drug Administration (“FDA”) for its 505(b)(2) New Drug Application (“NDA”) for Gimoti. The Company launched U.S. commercial sales of Gimoti in October 2020 through its commercial partner Eversana Life Science Services, LLC (“Eversana”).

The Company’s activities are subject to the significant risks and uncertainties associated with any specialty pharmaceutical company that has launched its first commercial product, including market acceptance of the product and the potential need to obtain additional funding for its operations.

Going Concern

The financial statements have been prepared assuming the Company will continue as a going concern, which contemplates the realization of assets and the satisfaction of liabilities in the normal course of business. The Company has incurred recurring losses and negative cash flows from operations since inception and expects to continue to incur net losses for the foreseeable future until such time, if ever, that it can generate significant revenues from the sale of Gimoti. As of March 31, 2024, the Company had approximately $9.7 million in cash and cash equivalents. The Company anticipates that it will continue to incur losses from operations due to commercialization activities, including manufacturing Gimoti, conducting the post-marketing commitment single-dose pharmacokinetics (“PK”) clinical trial of Gimoti to characterize dose proportionality of a lower dose strength of Gimoti, and for other general and administrative costs to support the Company’s operations. Additionally, if Eversana were to terminate the Commercial Services and Loan Agreement as described in Note 4, the principal and interest on the Loan, $6.7 million as of March 31, 2024, becomes due in 90 days. As a result, the Company believes that there is substantial doubt about its ability to continue as a going concern for one year after the date these financial statements are issued. The financial statements do not include any adjustments that may result from the outcome of this uncertainty.

The Company’s net losses may fluctuate significantly from quarter-to-quarter and year-to-year. The Company anticipates that it will be required to raise additional funds through debt, equity or other forms of financing, such as potential collaboration arrangements, to fund future operations and continue as a going concern.

There can be no assurance that additional financing will be available when needed or on acceptable terms. If the Company is not able to secure adequate additional funding, the Company may be forced to make reductions in spending, extend payment terms with suppliers, and/or suspend or curtail commercialization activities. Any of these actions could materially harm the Company’s business, results of operations, financial condition and future prospects. There can be no assurance that the Company will be able to successfully commercialize Gimoti. Because the Company’s business is entirely dependent on the success of Gimoti, if the Company is unable to secure additional financing, successfully commercialize Gimoti or identify and execute on strategic alternatives for Gimoti or the Company, the Company will be required to curtail all of its activities and may be required to liquidate, dissolve or otherwise wind down its operations.

Notice of Delisting

On May 24, 2023, the Company received a written notice from Nasdaq indicating that, based on the Company's stockholders’ equity of $2.1 million as of March 31, 2023, as reported in the Company's Quarterly Report on Form 10-Q for the quarter ended March 31, 2023, the Company was not in compliance with the minimum stockholders’ equity requirement for continued listing on The Nasdaq Capital Market under Nasdaq Listing Rule 5550(b)(1) (the “Minimum Stockholders’ Equity Requirement”). As required by Nasdaq, the Company submitted its plan to regain compliance with the Minimum Stockholders’ Equity Requirement and Nasdaq granted the Company an extension until November 20, 2023 to regain compliance. Following notice on November 21, 2023 from Nasdaq that the Company had not met the Minimum Stockholders’ Equity Requirement, the Company requested a hearing before the Nasdaq Hearings Panel (the “Panel”) and on December 9, 2023, Nasdaq notified the Company that the hearing was scheduled for February 15, 2024. On February 15, 2024, the Company had the hearing before the Panel.

On March 18, 2024, the Company announced that the Panel granted the Company’s request to continue its listing on the Nasdaq Capital Market, subject to the Company filing a Form 10-Q on or before May 15, 2024, demonstrating that, as of March 31, 2024, the Company is in compliance with the Minimum Stockholders’ Equity Requirement. The Panel noted the Company’s steps to maintain

compliance with the Minimum Stockholders’ Equity Requirement on a long-term basis, including the equity financing completed in February 2024, which provided the Company net proceeds of $6.2 million, and the potential for additional capital from the exercise of the warrants issued in the February 2024 financing. The Panel also noted that it is a requirement during the exception period that the Company provide prompt notification to the Panel of any significant events that occur during this time that may affect the Company’s compliance with Nasdaq’s requirements. This includes, but is not limited to, any event that may call into question the Company’s ability to meet the terms of the exception granted. The Panel reserved the right to reconsider the terms of the granted exception based on any event, condition or circumstance that exists or develops that would, in the opinion of the Panel, make continued listing of the Company’s securities on the Nasdaq Capital Market inadvisable or unwarranted.

As of March 31, 2024, the Company remained in compliance with the Minimum Stockholders’ Equity Requirement.

On February 21, 2024, the Company received a letter from Nasdaq indicating that, for the last thirty consecutive business days, the bid price for the Company's common stock had closed below the minimum $1.00 per share requirement for continued listing on the Nasdaq Capital Market.

In accordance with Nasdaq listing rules, the Company was provided an initial period of 180 calendar days, or until August 19, 2024, to regain compliance. The letter states that Nasdaq will provide written notification that the Company has achieved compliance with its rules if at any time before August 19, 2024, the bid price of the Company's common stock closes at $1.00 per share or more for a minimum of ten consecutive business days. The Nasdaq letter had no immediate effect on the listing or trading of the Company's common stock and the common stock continued to trade on The Nasdaq Capital Market.

Commercial Services and Loan Agreements with Eversana - Additional Information (Detail) - USD ($)			3 Months Ended
	Feb. 01, 2022	Jan. 21, 2020	Mar. 31, 2024	Mar. 31, 2023	Jan. 31, 2020
Commercial Services And Loan Agreements [Line Items]
Selling, general and administrative			$ 3,139,536	$ 2,847,940
Eversana Agreement [Member]
Commercial Services And Loan Agreements [Line Items]
Unreimbursed commercialization cost			$ 67,500,000
Agreement expiration date	Dec. 31, 2026
Agreement term			On February 1, 2022, the Eversana Agreement was amended to extend the term from June 19, 2025 (five years from the date the Food & Drug Administration approved the Gimoti new drug application) to December 31, 2026, unless terminated earlier pursuant to its terms.
Selling, general and administrative			$ 1,500,000	$ 800,000
Eversana Agreement [Member] \| Revolving Credit Facility [Member]
Commercial Services And Loan Agreements [Line Items]
Line of credit		$ 5,000,000
Line of credit facility, Interest rate		10.00%
Borrowings					$ 5,000,000
Eversana Agreement [Member] \| Gimoti [Member] \| Minimum [Member]
Commercial Services And Loan Agreements [Line Items]
Percentage of Product Profits		80.00%

Summary of Significant Accounting Policies (Policies)

3 Months Ended

Mar. 31, 2024

Accounting Policies [Abstract]

Cash and Cash Equivalents

The Company deposits its cash with reputable financial institutions that are insured by the Federal Deposit Insurance Corporation (“FDIC”). This cash is held in checking, cash sweep, and money market accounts. At times, deposits held may exceed the amount of insurance provided by the FDIC. The Company maintains an insured cash sweep account in which cash from its main operating checking account is invested overnight in highly liquid, short-term investments. The Company considers all highly liquid investments with a maturity date of 90 days or less at the date of purchase to be cash equivalents. The Company has not experienced any losses in its cash and cash equivalents and management believes the Company is not exposed to significant credit risk with respect to such accounts. The Company's cash and cash equivalents are classified as Level 1 inputs within the fair value hierarchy

Fair Value of Financial Instruments

The carrying amounts of all financial instruments, including accounts receivable and accounts payable and accrued expenses, are considered to be representative of their respective fair values because of the short-term nature of those instruments. The carrying value of the note payable approximates fair value based upon interest rates the Company believes it can currently obtain for similar debt, which is a Level 2 input within the fair value hierarchy.

Accounts Receivable

Accounts receivable are recorded net of allowance for credit losses. The Company evaluates its estimate of expected credit losses based on a combination of factors, including historical experience, assessment of specific customer-related risks, review of outstanding invoices, forecasts about the future, and various other assumptions and estimates. The allowance for credit losses was zero

as of both March 31, 2024 and December 31, 2023 and no bad debt expense was recorded for the three months ended March 31, 2024 and 2023.

Inventories

The Company does not own or operate manufacturing facilities for the production of Gimoti, nor does it plan to develop its own manufacturing operations in the foreseeable future. The Company depends on third-party contract manufacturers for all of its required raw materials, drug substance and finished product for its commercial manufacturing. The Company has agreements with Cosma S.p.A. to supply metoclopramide for the manufacture of Gimoti, and with Thermo Fisher Scientific Inc., through its subsidiary Patheon UK Limited, for the manufacturing of Gimoti. The Company currently utilizes third-party consultants, which it engages on an as-needed, hourly basis, to manage the manufacturing contractors.

The Company's inventories consisted of the following as of March 31, 2024 and December 31, 2023:


	March 31, 2024		December 31, 2023
Raw materials	$	283,283	$	361,219
Work in process		212,467		—
Finished goods		93,026		120,621
Total inventories	$	588,776	$	481,840

Inventories are stated at the lower of cost (first-in first-out basis) or net realizable value. The Company’s raw materials inventories are held at its third-party suppliers and its work-in-process and finished goods inventories are held by Eversana. The Company records such inventories as consigned inventories.

Deferred Offering Costs

Deferred offering costs represent legal, accounting and other direct costs related to the public offering that was completed in February 2024. All deferred offering costs were reclassified to additional paid-in capital in February 2024. The Company recorded approximately zero and $242,000 deferred offering costs as a non-current asset in the accompanying balance sheets as of March 31, 2024 and December 31, 2023, respectively.

Warrants

The Company accounts for warrants as equity-classified instruments based on an assessment of the warrant’s specific terms and applicable authoritative guidance in Accounting Standards Codification (“ASC”) 480, Distinguishing Liabilities from Equity (“ASC 480”) and ASC 815, Derivatives and Hedging (“ASC 815”). The assessment considers whether the warrants are freestanding financial instruments pursuant to ASC 480, meet the definition of a liability pursuant to ASC 480, and whether the warrants meet all of the requirements for equity classification under ASC 815, including whether the warrants are indexed to the Company’s own common stock and whether the warrant holders could potentially require “net cash settlement” in a circumstance outside of the Company’s control, among other conditions for equity classification. This assessment, which requires the use of professional judgment, is conducted at the time of warrant issuance and as of each subsequent quarterly period end date while the warrants are outstanding.

For warrants that meet all criteria for equity classification, the warrants are required to be recorded as a component of additional paid-in capital, on the condensed statement of stockholders’ equity at the time of issuance. The equity-classified warrants are measured at its estimated fair value on its grant date using either the Black-Scholes option pricing model and Monte-Carlo simulation model based on the applicable assumptions, which include the exercise price of the warrants, the Company's stock price and volatility, the expected warrant term, the risk-free interest rate, the expected dividends, and if applicable, the vesting behavior.

Revenue Recognition

In accordance with ASC 606, Revenue from Contracts with Customers (“ASC 606”), the Company recognizes revenue when a customer obtains control of promised goods in an amount that reflects the consideration the Company expects to receive in exchange for the goods provided. Customer control is determined upon the customer’s physical receipt of the product. To determine revenue recognition for arrangements within the scope of ASC 606, the Company performs the following five steps: identify the contracts with the customer; identify the performance obligations in the contract; determine the transaction price; allocate the transaction price to the performance obligations in the contract; and recognize revenue when (or as) it satisfies a performance obligation. At contract inception, the Company assesses the goods promised within each contract and determines those that are performance obligations and assesses whether each promised good is distinct. The Company then recognizes as revenue the amount of the transaction price that is allocated to the respective performance obligation when the customer obtains control of the product.

Product revenues are recorded net of sales-related adjustments, or transaction price, wherever applicable, including patient support programs, rebates, and other sales related discounts. The Company uses judgment to estimate variable consideration. The Company is subject to rebates under Medicaid and Medicare programs. The rebates for these programs are determined based on statutory

provisions. The Company estimates Medicaid and Medicare rebates based on the expected number of claims and related cost associated with the customer transaction. Medicaid and Medicare rebates of $58,000 and $46,000 were recorded as accounts payable and accrued expenses on the balance sheet as of March 31, 2024 and December 31, 2023, respectively.

Co-payment assistance is recorded as an offset to gross revenue at the time revenue from the product sale is recognized based on expected and actual program participation. Co-pay liabilities are estimated using prescribing data available from customers. The Company's analysis also contemplated application of the constraint in accordance with the guidance, under which it determined a significant reversal of revenue would not occur in a future period. If actual results in the future vary from estimates, the Company will adjust these estimates, which would affect net product revenue and earnings in the period such variances become known. Liabilities for co-pay assistance of approximately $256,000 and $66,000 as of March 31, 2024 and December 31, 2023, respectively, are classified as accounts payable and accrued expenses in the balance sheets.

Net Loss Per Share

Basic net loss per share is calculated by dividing the net loss by the weighted-average number of common stock outstanding for the period, without consideration for common stock equivalents. Pre-funded warrants issued and sold by the Company to purchase shares of its common stock are included in the calculation of basic net loss per common share if the exercise price of the pre-funded warrants represents de minimis consideration and is non-substantive in relation to the price paid for the warrant, and if the warrants are immediately exercisable with no further vesting conditions or contingencies associated with them. Diluted net loss per share is calculated by dividing the net loss by the weighted-average number of common stock and common stock equivalents outstanding for the period determined using the treasury-stock method. Dilutive common stock equivalents are comprised of warrants to purchase common stock, and options to purchase common stock under the Company’s equity incentive plan.

The following table sets forth the outstanding potentially dilutive securities that have been excluded from the calculation of diluted net loss per share because to do so would be anti-dilutive for the three months ended March 31, 2024 and 2023:


	Three Months Ended March 31,
	2024		2023
Warrants to purchase common stock		31,703,215		—
Common stock options		624,232		569,351
Total excluded securities		32,327,447		569,351

Recent Accounting Pronouncements

Recent Accounting Pronouncements – Not Yet Adopted

In November 2023, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) No. 2023-07, Segment Reporting (Topic 280) Improvements to Reportable Segment Disclosures (“Topic 280”), which modifies the disclosure and presentation requirements of reportable segments (“ASU 2023-07”). The amendments in the update require the disclosure of significant segment expenses that are regularly provided to the chief operating decision maker (the “CODM”) and included within each reported measure of segment profit and loss. The amendments also require disclosure of all other segment items by reportable segment and a description of its composition. Additionally, the amendments require disclosure of the title and position of the CODM and an explanation of how the CODM uses the reported measure(s) of segment profit or loss in assessing segment performance and deciding how to allocate resources. Lastly, the amendment requires that a public entity that has a single reportable segment provide all the disclosures required by ASU 2023-07 and all existing segment disclosures in Topic 280. This update is effective for annual periods beginning after December 15, 2023, and interim periods within fiscal years beginning after December 15, 2024. Early adoption is permitted. The Company is currently evaluating the impact that this guidance will have on the presentation of its financial statements and accompanying notes.

In December 2023, the FASB issued ASU No. 2023-09 (“ASU 2023-09”), Income Taxes (Topic 740): Improvements to Income Tax Disclosures. ASU 2023-09 requires disaggregated information about a reporting entity’s effective tax rate reconciliation as well as information on income taxes paid. ASU 2023-09 is effective for public entities with annual periods beginning after December 15, 2024 and for private businesses for annual periods beginning after December 15, 2025, with early adoption permitted. The Company is currently evaluating the impact of this guidance on its financial statement disclosures.

Summary of Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2024

Accounting Policies [Abstract]

Schedule of Inventories

The Company's inventories consisted of the following as of March 31, 2024 and December 31, 2023:


	March 31, 2024		December 31, 2023
Raw materials	$	283,283	$	361,219
Work in process		212,467		—
Finished goods		93,026		120,621
Total inventories	$	588,776	$	481,840

Summary of Outstanding Potentially Dilutive Securities Excluded from Calculation of Diluted Net Loss Per Share


	Three Months Ended March 31,
	2024		2023
Warrants to purchase common stock		31,703,215		—
Common stock options		624,232		569,351
Total excluded securities		32,327,447		569,351

Condensed Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Operating activities
Net Income (Loss)	$ (1,579,820)	$ (2,243,070)
Adjustments to reconcile net loss to net cash used in operating activities:
Stock-based compensation expense	254,029	284,572
Interest expense	124,658	123,288
Non-cash lease expense		37,676
Change in operating assets and liabilities:
Accounts receivable, net	(778,833)	(62,470)
Prepaid expenses and other current assets	222,045	281,568
Inventories	(106,936)	(75,489)
Accounts payable and accrued expenses	343,596	251,613
Accrued compensation	(1,058,129)	(190,907)
Operating lease liabilities		(37,676)
Net cash used in operating activities	(2,579,390)	(1,630,895)
Financing activities
Proceeds from February 2024 Offering, net of issuance costs	6,718,212
Payment of February 2024 Offering costs	(426,293)
Proceeds from amendment and exercise of Series B Warrants, net of issuance costs	1,250,800
Net cash provided by financing activities	7,542,719
Net increase (decrease) in cash and cash equivalents	4,963,329	(1,630,895)
Cash and cash equivalents at beginning of period	4,739,426	9,843,699
Cash and cash equivalents at end of period	9,702,755	$ 8,212,804
Supplemental disclosure of non-cash financing activities
Offering costs included in accounts payable	$ 20,926

Stockholders' Equity (Tables)

3 Months Ended

Mar. 31, 2024

Equity [Abstract]

Summary of the Company's Warrants

The following table is a summary of the Company’s warrants as of March 31, 2024:


					Shares of
	Number of		Number of		Common Stock
	Warrants Outstanding		Warrants Exercisable		Underlying Warrants		Exercise Price		Initial Exercise Date	Expiration Date
Pre-Funded Warrants		7,711,565		7,711,565		7,711,565	$	0.0001	February 13, 2024	Until Exercised in Full
Series A Warrants		11,029,411		11,029,411		11,029,411	$	0.6800	February 13, 2024	February 13, 2029
Series B Warrants		9,092,922		9,092,922		9,092,922	$	0.6800	February 13, 2024	November 13, 2024
Series C Warrants(1)		11,029,411		5,808,824		11,029,411	$	0.6800	February 13, 2024	November 13, 2024 or February 13, 2029
Representativesʼ Warrants		551,471		—		551,471	$	1.1222	August 13, 2024	February 13, 2029
Total warrants		39,414,780		33,642,722		39,414,780

(1)

The Series C Warrants are subject to a vesting schedule and may only be exercised to the extent and in proportion to a holder of the Series C Warrants exercising its corresponding Series B Warrants, subject to accelerated vesting pursuant to the Warrant Amendment described above. The Series C Warrants expire on November 13, 2024, provided that to the extent and in proportion to a holder of the Series C Warrants have vested based on the exercise of the corresponding Series B Warrants, such Series C Warrants will expire on February 13, 2029.

Summary of Estimated Fair Value of Stock Option Award

The estimated fair value of each stock option award granted was determined on the date of grant using the Black-Scholes option-pricing valuation model with the following assumptions for option grants during the three months ended March 31, 2023:


		Three Months Ended March 31,
		2023
Risk free interest rate		1.34%
Expected option term		5.5 - 6.02 Years
Expected volatility of common stock		99.34% - 102.20%
Expected dividend yield		0.0%

Summary of Recognized Stock-Based Compensation Expense

The Company recognized stock-based compensation expense to employees and directors in its research and development and its selling, general and administrative functions during the three months ended March 31, 2024 and 2023 as follows:


	Three Months Ended March 31,
	2024		2023
Research and development	$	1,215	$	2,840
Selling, general and administrative		252,814		281,732
Total stock-based compensation expense	$	254,029	$	284,572

Summary of Significant Accounting Policies

3 Months Ended

Mar. 31, 2024

Accounting Policies [Abstract]

Summary of Significant Accounting Policies

2. Summary of Significant Accounting Policies

The accompanying unaudited condensed financial statements have been prepared in accordance with accounting principles generally accepted in the United States (“GAAP”) for interim financial information and with the instructions of the Securities and Exchange Commission (“SEC”) on Form 10-Q and Rule 8-03 of Regulation S-X. Accordingly, they do not include all of the information and disclosures required by GAAP for complete financial statements. In the opinion of management, the condensed financial statements include all adjustments necessary, which are of a normal and recurring nature, for the fair presentation of the Company’s financial position and of the results of operations and cash flows for the periods presented. These financial statements should be read in conjunction with the audited financial statements and notes thereto for the year ended December 31, 2023 included in the Company’s Annual Report on Form 10-K/A filed with the SEC on May 14, 2024. The results of operations for the interim period shown in this report are not necessarily indicative of the results that may be expected for any other interim period or for the full year. The balance sheet at December 31, 2023, has been derived from the audited financial statements at that date.

Cash and Cash Equivalents

Fair Value of Financial Instruments

Accounts Receivable

as of both March 31, 2024 and December 31, 2023 and no bad debt expense was recorded for the three months ended March 31, 2024 and 2023.

Inventories

The Company's inventories consisted of the following as of March 31, 2024 and December 31, 2023:


	March 31, 2024		December 31, 2023
Raw materials	$	283,283	$	361,219
Work in process		212,467		—
Finished goods		93,026		120,621
Total inventories	$	588,776	$	481,840

Deferred Offering Costs

Warrants

Revenue Recognition

Net Loss Per Share


	Three Months Ended March 31,
	2024		2023
Warrants to purchase common stock		31,703,215		—
Common stock options		624,232		569,351
Total excluded securities		32,327,447		569,351

Recent Accounting Pronouncements – Not Yet Adopted

Stockholders' Equity - Summary of Recognized Stock-Based Compensation Expense (Detail) - USD ($)	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense	$ 254,029	$ 284,572
Research and development [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense	1,215	2,840
Selling, general and administrative [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense	$ 252,814	$ 281,732

Stockholders' Equity - Summary of the Company's Warrants (Details)	3 Months Ended
	Mar. 31, 2024 $ / shares shares
Class of Warrant or Right [Line Items]
Number of Warrants Outstanding	39,414,780
Number of Warrants Exercisable	33,642,722
Shares of Common Stock Underlying Warrants	39,414,780
Pre-Funded Warrants [Member]
Class of Warrant or Right [Line Items]
Number of Warrants Outstanding	7,711,565
Number of Warrants Exercisable	7,711,565
Shares of Common Stock Underlying Warrants	7,711,565
Exercise Price \| $ / shares	$ 0.0001
Initial Exercise Date	Feb. 13, 2024
Series A Warrants [Member]
Class of Warrant or Right [Line Items]
Number of Warrants Outstanding	11,029,411
Number of Warrants Exercisable	11,029,411
Shares of Common Stock Underlying Warrants	11,029,411
Exercise Price \| $ / shares	$ 0.68
Initial Exercise Date	Feb. 13, 2024
Expiration Date	Feb. 13, 2029
Series B Warrants [Member]
Class of Warrant or Right [Line Items]
Number of Warrants Outstanding	9,092,922
Number of Warrants Exercisable	9,092,922
Shares of Common Stock Underlying Warrants	9,092,922
Exercise Price \| $ / shares	$ 0.68
Initial Exercise Date	Feb. 13, 2024
Expiration Date	Nov. 13, 2024
Series C Warrants [Member]
Class of Warrant or Right [Line Items]
Number of Warrants Outstanding	11,029,411
Number of Warrants Exercisable	5,808,824
Shares of Common Stock Underlying Warrants	11,029,411
Exercise Price \| $ / shares	$ 0.68
Initial Exercise Date	Feb. 13, 2024
Expiration Date	November 13, 2024 or February 13, 2029
Representative Warrants [Member]
Class of Warrant or Right [Line Items]
Number of Warrants Outstanding	551,471
Shares of Common Stock Underlying Warrants	551,471
Exercise Price \| $ / shares	$ 1.1222
Initial Exercise Date	Aug. 13, 2024
Expiration Date	Feb. 13, 2029

Commercial Services and Loan Agreements with Eversana

3 Months Ended

Mar. 31, 2024

Commercial Services And Loan Agreements [Abstract]

Commercial Services and Loan Agreements with Eversana

4. Commercial Services and Loan Agreements with Eversana

On January 21, 2020, the Company entered into a commercial services agreement (as amended, the “Eversana Agreement”) with Eversana for the commercialization of Gimoti. Pursuant to the Eversana Agreement, Eversana commercializes and distributes Gimoti in the United States. Eversana also manages the marketing of Gimoti to targeted health care providers, as well as the sales and distribution of Gimoti in the United States.

Under the terms of the Eversana Agreement, the Company maintains ownership of the Gimoti NDA, as well as legal, regulatory, and manufacturing responsibilities for Gimoti. Eversana will utilize its internal sales organization, along with other commercial functions, for market access, marketing, distribution and other related patient support services. The Company will record sales for Gimoti and retain more than 80% of net product profits once both parties’ costs are reimbursed. For the three months ended March 31, 2024 and 2023, approximately $1.5 million and $0.8 million of Eversana profit sharing costs were included as selling, general and administrative costs, respectively. As of March 31, 2024, unreimbursed commercialization costs to Eversana were approximately $67.5 million. Such costs will generally be payable only as net product profits are recognized. Eversana will receive reimbursement of its commercialization costs pursuant to an agreed upon budget and a percentage of product profits in the mid-to-high teens. Net product profits are the net sales (as defined in the Eversana Agreement) of Gimoti, less (i) reimbursed commercialization costs, (ii) manufacturing and administrative costs set at a fixed percentage of net sales, and (iii) third party royalties. During the term of the Eversana Agreement, Eversana agreed to not market, promote, or sell a competing product in the United States. On February 1, 2022, the Eversana Agreement was amended to extend the term from June 19, 2025 (five years from the date the Food & Drug Administration approved the Gimoti new drug application) to December 31, 2026, unless terminated earlier pursuant to its terms. This amendment also increased the percentage of net product profit retained by the Company and increased the proportion of costs that are reimbursed to Eversana to the extent Eversana has accumulated unreimbursed costs.

Upon expiration or termination of the agreement, the Company will retain all profits from product sales and assume all corresponding commercialization responsibilities. Within 30 days after each of the first three annual anniversaries of commercial launch, either party may terminate the agreement if net sales of Gimoti do not meet certain annual thresholds. Either party may terminate the agreement: for the material breach of the other party, subject to a 60-day cure period; in the event an insolvency, petition of the other party is

pending for more than 60 days; upon 30 days written notice to the other party if Gimoti is subject to a safety recall; the other party is in breach of certain regulatory compliance representations under the agreement; if the Company discontinues the development or production of Gimoti; if the net profit is negative for any two consecutive calendar quarters (the "Net Profit Quarterly Termination Right") beginning with the measurement date of June 30, 2023; if the cumulative net product profits fail to reach certain thresholds in the first three years following launch; or if there is a change in applicable laws that makes operation of the services as contemplated under the agreement illegal or commercially impractical. Either party may also terminate the Eversana Agreement upon a change of control of the Company’s ownership.

The Company's net profits were negative for the two preceding calendar quarters as of March 31, 2024, and therefore Eversana or the Company could have exercised the Net Profit Quarterly Termination Right during the 60-day period after quarter-end. Since the note payable and accrued interest payable could have been accelerated by Eversana by terminating the Eversana Agreement as of March 31, 2024, those payments were recorded as current liabilities as of March 31, 2024. Each party will continue to have the option to exercise the Net Profit Quarterly Termination Right for the 60-day period following the end of future quarters so long as the net profit under the Eversana Agreement remains negative for consecutive quarters.

In the event that the Company initiates such termination, the Company shall pay to Eversana a one-time payment equal to all of Eversana’s unreimbursed cost plus a portion of Eversana’s commercialization costs incurred in the 12 months prior to termination. Such payment amount would be reduced by the amount of previously reimbursed commercialization costs and profit split paid for the related prior twelve-month period and any revenue which occurred prior to the termination yet to be collected. If Eversana terminates the agreement due to an uncured material breach by the Company, or if the Company terminates the Eversana Agreement in certain circumstances, including pursuant to the Net Profit Quarterly Termination Right, the Company has agreed to reimburse Eversana for its unreimbursed commercialization costs for the prior twelve-month period and certain other costs. In addition, Eversana may terminate the Eversana Agreement if the Company withdraws Gimoti from the market for more than 90 days.

In connection with the Eversana Agreement, the Company and Eversana have entered into the Eversana Credit Facility, pursuant to which Eversana has agreed to provide a revolving Credit Facility of up to $5 million to the Company upon FDA approval of the Gimoti NDA under certain customary conditions. The Eversana Credit Facility terminates on December 31, 2026, unless terminated earlier pursuant to its terms. The Eversana Credit Facility is secured by all of the Company’s personal property other than the Company’s intellectual property. Under the terms of the Eversana Credit Facility, the Company cannot grant an interest in the Company’s intellectual property to any other person. Each loan under the Eversana Credit Facility will bear interest at an annual rate equal to 10.0%, with such interest due at the end of the loan term. In 2020, the Company borrowed $5 million under the Eversana Credit Facility.

The Company may prepay any amounts borrowed under the Eversana Credit Facility at any time without penalty or premium. The maturity date of all amounts, including interest, borrowed under the Eversana Credit Facility will be 90 days after the expiration or earlier termination of the Eversana Agreement. The Eversana Credit Facility also includes events of default, the occurrence and continuation of which provide Eversana with the right to exercise remedies against the Company and the collateral securing the loans under the Eversana Credit Facility, including the Company’s cash. These events of default include, among other things, the Company’s failure to pay any amounts due under the Eversana Credit Facility, an uncured material breach of the representations, warranties and other obligations under the Eversana Credit Facility, the occurrence of insolvency events and the occurrence of a change in control.

Condensed Statements of Operations (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Income Statement [Abstract]
Net product sales	$ 1,735,490	$ 810,408
Operating expenses:
Cost of goods sold	$ 92,529	$ 50,591
Cost, Product and Service [Extensible List]	us-gaap:ProductMember	us-gaap:ProductMember
Research and development	$ 4,645	$ 66,990
Selling, general and administrative	3,139,536	2,847,940
Total operating expenses	3,236,710	2,965,521
Loss from operations	(1,501,220)	(2,155,113)
Other income (expense):
Interest income	46,058	35,331
Interest expense	(124,658)	(123,288)
Total other expense	(78,600)	(87,957)
Net loss	$ (1,579,820)	$ (2,243,070)
Net loss per share of common stock, basic	$ (0.17)	$ (0.67)
Net loss per share of common stock, diluted	$ (0.17)	$ (0.67)
Weighted-average shares used to compute basic net loss per share	9,082,139	3,343,070
Weighted-average shares used to compute diluted net loss per share	9,082,139	3,343,070

Stockholders' Equity - Summary of Estimated Fair Value of Stock Option Award (Detail) - Common stock options [Member]	3 Months Ended
	Mar. 31, 2023
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Risk free interest rate	1.34%
Expected dividend yield	0.00%
Minimum [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Expected option term	5 years 6 months
Expected volatility of common stock	99.34%
Maximum [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Expected option term	6 years 7 days
Expected volatility of common stock	102.20%

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 35
-Paragraph 1D
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480483/718-10-35-1D

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-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

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-Name Accounting Standards Codification
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-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

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-Name Accounting Standards Codification
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-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

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-SubTopic 10
-Name Accounting Standards Codification
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-Paragraph 2
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-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

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-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

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-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

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-Name Accounting Standards Codification
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-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

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-Topic 718
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-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
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-Paragraph 2
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-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

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-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
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-Paragraph 2
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-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

Reference 18: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
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-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

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-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
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-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

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-Name Accounting Standards Codification
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-Topic 718
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-Name Accounting Standards Codification
-Section 50
-Paragraph 2
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-SubTopic 10
-Name Accounting Standards Codification
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-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

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-SubTopic 10
-Name Accounting Standards Codification
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-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

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-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
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-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

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-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
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-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

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-Topic 718
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-Name Accounting Standards Codification
-Section 50
-Paragraph 2
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-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

+ Details

Stockholders' Equity - Warrant Amendment - Additional Information (Detail) $ / shares in Units, $ in Millions	3 Months Ended
	Mar. 31, 2024 USD ($) $ / shares
Warrant Amendment [Member]
Class of Warrant or Right [Line Items]
Proceeds from issuance of warrant amendment net of underwriter and offering expenses \| $	$ 1.2
Pre-Funded Warrants [Member]
Class of Warrant or Right [Line Items]
Exercise price per warrant	$ 0.0001
Pre-Funded Warrants [Member] \| Warrant Amendment [Member]
Class of Warrant or Right [Line Items]
Exercise price per warrant	0.0001
Purchase price	$ 0.6799

Stockholders' Equity

3 Months Ended

Mar. 31, 2024

Equity [Abstract]

Stockholders' Equity

3. Stockholders’ Equity

February 2024 Offering

In February 2024, the Company entered into an underwriting agreement (the “Underwriting Agreement”) with Craig-Hallum Capital Group LLC and Laidlaw & Company (UK) Ltd. (collectively, the “Underwriters”), relating to the issuance and sale of 5,134,731 common stock units (the “Common Stock Units”) at a public offering price of $0.68 per Common Stock Unit and, to certain investors, 5,894,680 pre-funded warrant units (the “PFW Units”) at a public offering price of $0.6799 per PFW Unit (the “February 2024 Offering”). Each Common Stock Unit consisted of (i) one share of common stock, (ii) a Series A Warrant to purchase one share of common stock (the “Series A Warrant”), (iii) a Series B Warrant to purchase one share of common stock (the “Series B Warrant”),

and (iv) a Series C Warrant to purchase one share of common stock (the “Series C Warrant”). Each PFW Unit consisted of (i) a pre-funded warrant to purchase one share of common stock (the “Pre-Funded Warrants”), (ii) a Series A Warrant, (iii) a Series B Warrant, and (iv) a Series C Warrant. The Company also issued warrants to the Underwriters to purchase up to 551,471 shares of common stock, equal to 5% of the securities sold in the February 2024 Offering (the “Representatives’ Warrants”).

Net cash proceeds from the February 2024 Offering was $6.2 million after deducting underwriter and offering expenses. The Pre-Funded Warrants, Series A Warrants, Series B Warrants, and Series C Warrants are equity classified and were recognized as additional paid-in capital on the condensed balance sheet.

Warrant Amendment

In March 2024, the Company entered into an amendment with certain holders (each, a “Holder”) of its Series B Warrants and Series C Warrants (the “Warrant Amendment”). Pursuant to the Warrant Amendment, to the extent a Holder exercised its Series B Warrants before 5:00 p.m. Pacific time on March 27, 2024 (the “Amendment Exercise Deadline”), the Holder’s corresponding Series C Warrants vested and are exercisable for the lesser of (i) three times the number of Series B Warrants exercised by the Holder and (ii) the total number of Series C Warrants outstanding to the Holder. Following the Amendment Exercise Deadline, if such Holder exercised any remaining Series B Warrants, the remaining Series C Warrants, if any, vested and became exercisable on a one-for-one basis as to the same number of Series B Warrants exercised.

The Warrant Amendment also allowed a Holder to elect to receive Pre-Funded Warrants upon exercise of Series B Warrants and Series C Warrants in lieu of shares of the Company’s common stock, at a purchase price of $0.6799 per warrant exercised and an exercise price of $0.0001 per Pre-Funded Warrant.

Net cash proceeds from the Warrant Amendment were $1.2 million after deducting underwriter and offering expenses. The Warrant Amendment was entered into to encourage the exercise of Series B Warrants in order to obtain capital to meet the Minimum Stockholders’ Equity Requirement. The Warrant Amendment neither changed the number of shares of Common Stock underlying each series of warrants nor its equity classification. The incremental change in fair value from the Warrant Amendment was an equity issuance cost and was recognized within additional paid-in capital.

The following table is a summary of the Company’s warrants as of March 31, 2024:


					Shares of
	Number of		Number of		Common Stock
	Warrants Outstanding		Warrants Exercisable		Underlying Warrants		Exercise Price		Initial Exercise Date	Expiration Date
Pre-Funded Warrants		7,711,565		7,711,565		7,711,565	$	0.0001	February 13, 2024	Until Exercised in Full
Series A Warrants		11,029,411		11,029,411		11,029,411	$	0.6800	February 13, 2024	February 13, 2029
Series B Warrants		9,092,922		9,092,922		9,092,922	$	0.6800	February 13, 2024	November 13, 2024
Series C Warrants(1)		11,029,411		5,808,824		11,029,411	$	0.6800	February 13, 2024	November 13, 2024 or February 13, 2029
Representativesʼ Warrants		551,471		—		551,471	$	1.1222	August 13, 2024	February 13, 2029
Total warrants		39,414,780		33,642,722		39,414,780

(1)

There were no warrants outstanding as of December 31, 2023.

Stock-Based Compensation

Stock-based compensation expense includes charges related to stock option grants. The Company measures stock-based compensation expense based on the grant date fair value of any awards granted to its employees. Such expense is recognized over the period of time that employees provide service and earn rights to the awards.

There were no stock options granted for the three months ended March 31, 2024. During the three months ended March 31, 2023, the Company granted stock options to purchase 77,500 shares of the Company’s common stock.


		Three Months Ended March 31,
		2023
Risk free interest rate		1.34%
Expected option term		5.5 - 6.02 Years
Expected volatility of common stock		99.34% - 102.20%
Expected dividend yield		0.0%


	Three Months Ended March 31,
	2024		2023
Research and development	$	1,215	$	2,840
Selling, general and administrative		252,814		281,732
Total stock-based compensation expense	$	254,029	$	284,572

As of March 31, 2024, there was approximately $0.4 million of unrecognized compensation costs related to outstanding employee and board of director options, which are expected to be recognized over a weighted-average period of 0.72 years.

Summary of Significant Accounting Policies - Summary of Outstanding Potentially Dilutive Securities Excluded from Calculation of Diluted Net Loss Per Share (Detail) - shares	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Anti-dilutive securities excluded from the calculation of diluted net loss per share	32,327,447	569,351
Warrants to purchase common stock [Member]
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Anti-dilutive securities excluded from the calculation of diluted net loss per share	31,703,215
Common stock options [Member]
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Anti-dilutive securities excluded from the calculation of diluted net loss per share	624,232	569,351

Condensed Balance Sheets (Unaudited) - USD ($)	Mar. 31, 2024	Dec. 31, 2023
Current Assets:
Cash and cash equivalents	$ 9,702,755	$ 4,739,426
Accounts receivable, net of allowance for credit losses of $0	1,451,904	673,071
Prepaid expenses	704,215	885,040
Inventories	588,776	481,840
Other current assets	6,312	47,532
Total current assets	12,453,962	6,826,909
Deferred offering costs		241,637
Total assets	12,453,962	7,068,546
Current Liabilities:
Accounts payable and accrued expenses	1,953,959	1,711,778
Accrued compensation	265,881	1,324,010
Note payable	5,000,000	5,000,000
Accrued interest payable	1,736,953	1,612,295
Total current liabilities	8,956,793	9,648,083
Total liabilities	8,956,793	9,648,083
Commitments and contingencies (Note 3)
Stockholders' equity (deficit):
Preferred stock, $0.0001 par value; authorized shares - 5,000,000 as of March 31, 2024 and December 31, 2023; issued and outstanding shares - zero as of March 31, 2024 and December 31, 2023	0	0
Common stock, $0.0001 par value; authorized shares - 50,000,000 as of March 31, 2024 and December 31, 2023; issued and outstanding shares - 8,597,405 and 3,343,070 as of March 31, 2024 and December 31, 2023, respectively	859	334
Additional paid-in capital	128,515,568	120,859,567
Accumulated deficit	(125,019,258)	(123,439,438)
Total stockholders' equity (deficit)	3,497,169	(2,579,537)
Total liabilities and stockholders' equity (deficit)	$ 12,453,962	$ 7,068,546

Stockholders' Equity - February 2024 Offering - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions	Feb. 29, 2024	Mar. 31, 2024	Dec. 31, 2023
Sale Of Common Stock [Line Items]
Warrants outstanding to purchase common stock		39,414,780
Warrants to the underwriters purchase		39,414,780
Common stock, shares issued		8,597,405	3,343,070
Pre-Funded Warrants [Member]
Sale Of Common Stock [Line Items]
Warrants outstanding to purchase common stock		7,711,565
Warrants to the underwriters purchase		7,711,565
Series A Warrants [Member]
Sale Of Common Stock [Line Items]
Warrants outstanding to purchase common stock		11,029,411
Warrants to the underwriters purchase		11,029,411
Series B Warrants [Member]
Sale Of Common Stock [Line Items]
Warrants outstanding to purchase common stock		9,092,922
Warrants to the underwriters purchase		9,092,922
Series C Warrants [Member]
Sale Of Common Stock [Line Items]
Warrants outstanding to purchase common stock		11,029,411
Warrants to the underwriters purchase		11,029,411
February 2024 Offering [Member]
Sale Of Common Stock [Line Items]
Shares issued, price per share	$ 0.68
Warrants to the underwriters purchase	551,471
Common stock, shares issued	5,134,731
Number of shares issuable per warrant	1
Percentage Of Securities Sold	5.00%
Proceeds from issuance of common stock net of underwriter and offering expenses	$ 6.2
February 2024 Offering [Member] \| Pre-Funded Warrants [Member]
Sale Of Common Stock [Line Items]
Shares issued, price per share	$ 0.6799
Warrants outstanding to purchase common stock	5,894,680
February 2024 Offering [Member] \| Series A Warrants [Member]
Sale Of Common Stock [Line Items]
Number of shares issuable per warrant	1
February 2024 Offering [Member] \| Series B Warrants [Member]
Sale Of Common Stock [Line Items]
Number of shares issuable per warrant	1
February 2024 Offering [Member] \| Series C Warrants [Member]
Sale Of Common Stock [Line Items]
Number of shares issuable per warrant	1

Condensed Statements of Stockholders' Equity (Deficit) (Unaudited) - USD ($)	Total	Common Stock [Member]	Additional Paid-In Capital [Member]	Accumulated Deficit [Member]
Beginning Balance at Dec. 31, 2022	$ 4,084,649	$ 334	$ 119,731,458	$ (115,647,143)
Beginning Balance, Shares at Dec. 31, 2022		3,343,070
Stock-based compensation expense	284,572		284,572
Net loss	(2,243,070)			(2,243,070)
Ending Balance at Mar. 31, 2023	2,126,151	$ 334	120,016,030	(117,890,213)
Ending Balance, Shares at Mar. 31, 2023		3,343,070
Beginning Balance at Dec. 31, 2023	$ (2,579,537)	$ 334	120,859,567	(123,439,438)
Beginning Balance, Shares at Dec. 31, 2023	3,343,070	3,343,070
Stock-based compensation expense	$ 254,029		254,029
Issuance of common stock, Pre-Funded Warrants, Series A Warrants, Series B Warrants, and Series C Warrants net of issuance costs	6,172,623	$ 513	6,172,110
Issuance of common stock, Pre-Funded Warrants, Series A Warrants, Series B Warrants, and Series C Warrants net of issuance costs, shares		5,134,731
Amendment and issuance of common stock and Pre-Funded Warrants from exercise of Series B Warrants, net of issuance costs	1,229,874	$ 12	1,229,862
Amendment and issuance of common stock and Pre-Funded Warrants from exercise of Series B Warrants, net of issuance costs, shares		119,604
Net loss	(1,579,820)			(1,579,820)
Ending Balance at Mar. 31, 2024	$ 3,497,169	$ 859	$ 128,515,568	$ (125,019,258)
Ending Balance, Shares at Mar. 31, 2024	8,597,405	8,597,405

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering.

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Amount of equity (deficit) attributable to parent. Excludes temporary equity and equity attributable to noncontrolling interest.

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+ Details

Document and Entity Information - shares	3 Months Ended
Document and Entity Information - shares	Mar. 31, 2024	May 03, 2024
Cover [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Mar. 31, 2024
Document Fiscal Year Focus	2024
Document Fiscal Period Focus	Q1
Trading Symbol	EVOK
Entity Registrant Name	EVOKE PHARMA, INC.
Entity Central Index Key	0001403708
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Current Fiscal Year End Date	--12-31
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Title of 12(b) Security	Common Stock, par value $0.0001 per share
Security Exchange Name	NASDAQ
Entity File Number	001-36075
Entity Tax Identification Number	20-8447886
Entity Address, Address Line One	420 Stevens Avenue
Entity Address, Address Line Two	Suite 370
Entity Address, City or Town	Solana Beach
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	92075
City Area Code	858
Local Phone Number	345-1494
Entity Incorporation, State or Country Code	DE
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		8,597,405
Document Quarterly Report	true
Document Transition Report	false

Summary of Significant Accounting Policies - Schedule of Inventories (Details) - USD ($)	Mar. 31, 2024	Dec. 31, 2023
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Raw materials	$ 283,283	$ 361,219
Work in process	212,467
Finished goods	93,026	120,621
Total inventories	$ 588,776	$ 481,840

Stockholders' Equity - Stock-Based Compensation - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Unrecognized compensation costs	$ 0.4
Weighted average period	8 months 19 days
Employee Stock Option
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of stock options granted	0	77,500

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

+ Details

Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($)	3 Months Ended		12 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Significant Accounting Policies [Line Items]
Allowance for doubtful accounts receivable	$ 0		$ 0
Bad debt expense	0	$ 0
Deferred offering costs			241,637
Inventory raw materials	283,283		361,219
Inventory work in progress	212,467
Inventory finished goods	93,026		120,621
Accounts Receivable [Member]
Significant Accounting Policies [Line Items]
Medicaid and Medicare rebates	58,000		46,000
Accounts Payable and Accrued Expenses [Member]
Significant Accounting Policies [Line Items]
Liabilities for co-pay assistance	256,000		66,000
Non-current Assets [Member]
Significant Accounting Policies [Line Items]
Deferred offering costs	$ 0		$ 242,000

Condensed Balance Sheets (Parenthetical) (Unaudited) - USD ($)	Mar. 31, 2024	Dec. 31, 2023
Statement Of Financial Position [Abstract]
Allowance for credit losses	$ 0	$ 0
Preferred stock, par value	$ 0.0001	$ 0.0001
Preferred stock, shares authorized	5,000,000	5,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value	$ 0.0001	$ 0.0001
Common stock, shares authorized	50,000,000	50,000,000
Common stock, shares issued	8,597,405	3,343,070
Common stock, shares outstanding	8,597,405	3,343,070

Pay vs Performance Disclosure - USD ($)	3 Months Ended
Pay vs Performance Disclosure - USD ($)	Mar. 31, 2024	Mar. 31, 2023
Pay vs Performance Disclosure
Net Income (Loss)	$ (1,579,820)	$ (2,243,070)

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

+ References

+ Details

Organization and Basis of Presentation - Additional Information (Detail) - USD ($)	1 Months Ended	3 Months Ended
	Feb. 29, 2024	Mar. 31, 2024	Feb. 21, 2024	Dec. 31, 2023	Mar. 31, 2023	Dec. 31, 2022	Jun. 26, 2022
Organization And Basis Of Presentation [Line Items]
Month and year of incorporation		2007-01
Cash and cash equivalents		$ 9,702,755		$ 4,739,426
Stockholders' equity		$ 3,497,169		$ (2,579,537)	$ 2,126,151	$ 4,084,649
Proceeds from issuance of common stock net of underwriting discounts and commissions and offering expenses	$ 6,200,000
Common stock, par value		$ 0.0001		$ 0.0001			$ 1
Eversana Agreement [Member]
Organization And Basis Of Presentation [Line Items]
Principal and interest on the loan		$ 6,700,000
Principal and interest on loan due period		90 days
Minimum [Member]
Organization And Basis Of Presentation [Line Items]
Common stock, par value			$ 1