Daré Bioscience (DARE) 10-K 31 Mar 22 2021 FY Annual report Financial data

Cover Page

Cover Page - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Mar. 30, 2022	Jun. 30, 2021
Cover [Abstract]
Document Type	10-K
Document Annual Report	true
Document Period End Date	Dec. 31, 2021
Current Fiscal Year End Date	--12-31
Document Transition Report	false
Entity File Number	001-36395
Entity Registrant Name	DARÉ BIOSCIENCE, INC.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	20-4139823
Entity Address, Address Line One	3655 Nobel Drive
Entity Address, Address Line Two	Suite 260
Entity Address, City or Town	San Diego
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	92122
City Area Code	858
Local Phone Number	926-7655
Title of 12(b) Security	Common Stock, Par Value $0.0001 Per Share
Trading Symbol	DARE
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
ICFR Auditor Attestation Flag	false
Entity Shell Company	false
Entity Public Float			$ 85,850
Entity Common Stock, Shares Outstanding		83,944,119
Documents Incorporated by Reference	DOCUMENTS INCORPORATED BY REFERENCE Portions of the registrant’s definitive proxy statement relating to its 2022 annual meeting of shareholders (the “2022 Proxy Statement”) are incorporated by reference into Part III of this Annual Report on Form 10-K where indicated. The 2022 Proxy Statement will be filed with the U.S. Securities and Exchange Commission within 120 days after the end of the fiscal year to which this report relates.
Amendment Flag	false
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	FY
Entity Central Index Key	0001401914

Audit Information

Audit Information	12 Months Ended
	Dec. 31, 2021
Audit Information [Abstract]
Auditor Firm ID	199
Auditor Name	Mayer Hoffman McCann P.C.
Auditor Location	San Diego, California

Consolidated Balance Sheets

Consolidated Balance Sheets - USD ($)	Dec. 31, 2021	Dec. 31, 2020
Current Assets
Cash and cash equivalents	$ 51,674,087	$ 4,669,467
Other receivables	1,145,317	460,168
Prepaid expenses	2,476,612	1,854,277
Total current assets	55,296,016	6,983,912
Property and equipment, net	26,041	37,930
Other non-current assets	485,120	528,870
Total assets	55,807,177	7,550,712
Current Liabilities
Accounts payable	2,103,083	1,021,333
Accrued expenses	3,136,244	3,359,718
Deferred grant funding	10,542,983	1,564,553
Note payable	0	367,285
Contingent consideration	0	1,000,000
Current portion of lease liabilities	270,546	347,712
Total current liabilities	16,052,856	7,660,601
Deferred license revenue	1,000,000	1,000,000
Lease liabilities long-term	0	41,844
Total liabilities	17,052,856	8,702,445
Commitments and contingencies
Stockholders' equity (deficit)
Preferred stock issued	0	0
Common stock: $0.0001 par value, 120,000,000 shares authorized, 83,944,119 and 41,596,253 shares issued and outstanding at December 31, 2021 and December 31, 2020, respectively	8,394	4,159
Accumulated other comprehensive loss	(154,973)	(91,388)
Additional paid-in capital	149,027,802	70,366,293
Accumulated deficit	(110,126,902)	(71,430,797)
Total stockholders' equity (deficit)	38,754,321	(1,151,733)
Total liabilities and stockholders' equity (deficit)	$ 55,807,177	$ 7,550,712

Consolidated Balance Sheets (Pa

Consolidated Balance Sheets (Parenthetical) - $ / shares	Dec. 31, 2021	Dec. 31, 2020
Statement of Financial Position [Abstract]
Preferred stock, par value (in usd per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)	5,000,000	5,000,000
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Common stock, par value (in usd per share)	$ 0.0001	$ 0.0001
Common stock, shares authorized (in shares)	120,000,000	120,000,000
Common stock, shares issued (in shares)	83,944,119	41,596,253
Common stock, shares outstanding (in shares)	83,944,119	41,596,253

Consolidated Statements of Oper

Consolidated Statements of Operations and Comprehensive Loss - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Operating expenses
General and administrative	$ 8,350,945	$ 6,549,508
Research and development	30,617,567	20,769,416
License fees	100,000	83,333
Total operating expenses	39,068,512	27,402,257
Loss from operations	(39,068,512)	(27,402,257)
Other income	2,520	1,514
Gain on extinguishment of note payable	369,887	0
Net loss	(38,696,105)	(27,400,743)
Deemed dividend from trigger of round down provision feature	0	(6,863)
Net loss to common shareholders	(38,696,105)	(27,407,606)
Foreign currency translation adjustments	(63,585)	11,237
Comprehensive loss	$ (38,759,690)	$ (27,396,369)
Loss per common share - basic (in usd per share)	$ (0.63)	$ (0.91)
Loss per common share - diluted (in usd per share)	$ (0.63)	$ (0.91)
Weighted average number of common shares outstanding:
Basic (in shares)	61,154,157	30,091,469
Diluted (in shares)	61,154,157	30,091,469

Consolidated Statement of Stock

Consolidated Statement of Stockholders' Equity (Deficit) - USD ($)	Total	Common stock	Additional Paid-in Capital	Accumulated Other Comprehensive Loss	Accumulated Deficit
Beginning balance (in shares) at Dec. 31, 2019		19,683,401
Beginning balance at Dec. 31, 2019	$ 440,826	$ 1,968	$ 44,564,674	$ (102,625)	$ (44,023,191)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	742,031		742,031
Issuance of common stock (in shares)		19,791,989
Issuance of common stock, net of issuance costs	22,977,407	$ 1,979	22,975,428
Issuance of common stock from the exercise of warrants (in shares)		1,825,000
Issuance of common stock from the exercise of warrants	1,785,979	$ 182	1,785,797
Issuance cost on equity line paid in common stock (in shares)		285,714
Issuance cost on equity paid in common stock	291,529	$ 29	291,500
Stock options exercised (in shares)		10,149
Stock options exercised	1	$ 1
Deemed dividend from trigger of round down provision feature	(6,863)		6,863		(6,863)
Net loss	(27,400,743)				(27,400,743)
Foreign currency translation adjustments	11,237			11,237
Ending balance (in shares) at Dec. 31, 2020		41,596,253
Ending balance at Dec. 31, 2020	(1,151,733)	$ 4,159	70,366,293	(91,388)	(71,430,797)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	$ 1,599,692		1,599,692
Issuance of common stock (in shares)	7,100,000	41,094,657
Issuance of common stock, net of issuance costs	$ 75,314,091	$ 4,109	75,309,982
Issuance of common stock from the exercise of warrants (in shares)		520,985
Issuance of common stock from the exercise of warrants	500,146	$ 52	500,094
Stock options exercised (in shares)		35,500
Stock options exercised	32,529	$ 4	32,525
Issuance of common stock in connection with milestone (in shares)		696,724
Issuance of common stock in connection with milestone payment	1,219,286	$ 70	1,219,216
Deemed dividend from trigger of round down provision feature	0
Net loss	(38,696,105)				(38,696,105)
Foreign currency translation adjustments	(63,585)			(63,585)
Ending balance (in shares) at Dec. 31, 2021		83,944,119
Ending balance at Dec. 31, 2021	$ 38,754,321	$ 8,394	$ 149,027,802	$ (154,973)	$ (110,126,902)

Consolidated Statements of Cash

Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Operating activities:
Net loss	$ (38,696,105)	$ (27,400,743)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation	26,413	43,227
Stock-based compensation	1,599,692	742,031
Non-cash operating lease cost	(96,132)	(162,167)
Non-cash loss on settlement of contingent liability	44,286	0
Gain on extinguishment of note payable and accrued interest	(369,887)	0
Changes in operating assets and liabilities:
Other receivables	(685,149)	95,042
Prepaid expenses	(622,336)	(454,133)
Other non-current assets	20,873	157,725
Accounts payable	1,081,749	(61,850)
Accrued expenses	(45,871)	1,261,065
Deferred grant funding	8,978,430	(455,121)
Deferred license revenue	0	1,000,000
Net cash used in operating activities	(28,764,037)	(25,234,924)
Investing activities:
Purchases of property and equipment	(14,524)	(17,625)
Net cash used in investing activities	(14,524)	(17,625)
Financing activities:
Net proceeds from issuance of common stock	75,314,091	22,977,407
Proceeds from the exercise of common stock warrants	500,146	1,785,979
Proceeds from the exercise of stock options	32,529	1
Proceeds from issuance of note payable	0	367,285
Net cash provided by financing activities	75,846,766	25,130,672
Effect of exchange rate changes on cash and cash equivalents	(63,585)	11,237
Net change in cash and cash equivalents	47,004,620	(110,640)
Cash and cash equivalents, beginning of year	4,669,467	4,780,107
Cash and cash equivalents, end of year	51,674,087	4,669,467
Supplemental disclosure of non-cash investing and financing activities:
Operating right-of-use assets obtained in exchange for new operating lease liabilities	308,533	0
Settlement of contingent closing consideration liability with stock issuance in connection with acquisition of business	925,000	0
Milestone payment paid in common stock	250,000	0
Issuance cost on equity paid in common stock	0	291,428
Deemed dividend from trigger of down round provision	$ 0	$ 6,863

Organization and Description of

Organization and Description of Business	12 Months Ended
	Dec. 31, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Organization and Description of Business	ORGANIZATION AND DESCRIPTION OF BUSINESS Organization and business Daré Bioscience, Inc. is a biopharmaceutical company committed to advancing innovative products for women’s health. Daré Bioscience, Inc. and its wholly owned subsidiaries operate one segment. In this report, the “Company” refers collectively to Daré Bioscience, Inc. and its wholly owned subsidiaries, unless otherwise stated or the context otherwise requires. The Company is driven by a mission to identify, develop and bring to market a diverse portfolio of differentiated therapies that prioritize women's health and well-being, expand treatment options, and improve outcomes, primarily in the areas of contraception, fertility, and vaginal and sexual health. The Company's business strategy is to in-license or otherwise acquire the rights to differentiated product candidates in the Company's areas of focus, some of which have existing clinical proof-of-concept data, to take those candidates through mid to late-stage clinical development, and to establish and leverage strategic collaborations to achieve commercialization. The Company's first product, XACIATO™, which was approved by the FDA in December 2021, is a single-dose vaginal gel prescription product for the treatment of bacterial vaginosis in females 12 years of age and older. In March 2022, the Company entered into an exclusive global license agreement with an affiliate of Organon & Co., Organon International GmbH, or Organon, to commercialize XACIATO. XACIATO is expected to be available commercially in the United States in the fourth quarter of 2022. The Company began assembling its diverse portfolio of clinical-stage product candidates and pre-clinical programs in 2017 through acquisitions, exclusive in-licenses and other collaborations. The Company's programs target unmet needs in women's health in the areas of contraception, fertility, and vaginal and sexual health, and aim to expand treatment options, enhance outcomes and improve ease of use for women. The Company's portfolio includes two product candidates in advanced clinical development: • Ovaprene® , a hormone-free, monthly contraceptive; and • Sildenafil Cream , 3 . 6% , a proprietary cream formulation of sildenafil for topical administration to the vulva and vagina for treatment of female sexual arousal disorder. The Company's portfolio also includes four product candidates in Phase 1 clinical development or that the Company believes are Phase 1-ready: • DARE-HRT1 , a combination bio-identical estradiol and progesterone intravaginal ring for the treatment of menopausal symptoms, including vasomotor symptoms, as part of hormone therapy following menopause; • DARE - VVA1 , a vaginally delivered formulation of tamoxifen to treat vulvar vaginal atrophy as an option for women with hormone- receptor positive breast cancer; • DARE - FRT1 , an intravaginal ring containing bio-identical progesterone for broader luteal phase support as part of an in vitro fertilization treatment plan; and • DARE-PTB1 , an intravaginal ring containing bio-identical progesterone for the prevention of preterm birth; In addition, the Company's portfolio includes these pre-clinical stage potential product candidates: • DARE-LARC1 , a contraceptive implant delivering levonorgestrel with a woman-centered design that has the potential to be a long-acting, yet convenient and user-controlled contraceptive option; • ADARE-204 and ADARE-214 , injectable formulations of etonogestrel designed to provide contraception over 6-month and 12-month periods, respectively; and • DARE-RH1 , a novel approach to non-hormonal contraception for both men and women by targeting the CatSper ion channel. The Company’s primary operations have consisted of, and are expected to continue to consist primarily of, research and development activities to advance its portfolio of product candidates through clinical development and regulatory approval. The Company has one FDA-approved product, XACIATO, which has not yet been commercially launched. To date, the Company has not obtained any other regulatory approvals for any of its product candidates, commercialized any of its product candidates or generated any revenue. The Company is subject to several risks common to biopharmaceutical companies, including dependence on key employees, dependence on third-party collaborators and service providers, competition from other companies, the need to develop commercially viable products in a timely and cost-effective manner, and the need to obtain adequate additional capital to fund the development of product candidates. The Company is also subject to several risks common to other companies in the industry, including rapid technology change, regulatory approval of products, uncertainty of market acceptance of products, success of third parties in the marketing, sale and distribution of the Company's products, competition from substitute products and larger companies, compliance with government regulations, protection of proprietary technology, and product liability. The COVID-19 pandemic remains an evolving and uncertain risk to the Company’s business, operating results, financial condition and stock price. To date, the Company believes the pandemic contributed to a slower than expected initial pace of enrollment in its Phase 2b clinical study of Sildenafil Cream, 3.6% and delays in commencement of clinical studies and nonclinical testing for more than one of its earlier stage clinical programs, but has not had a material adverse effect on its business as a whole. Continued uncertainty regarding the duration and impact of the pandemic on the U.S. and global economies, healthcare systems, workplace environments and capital markets, preclude any prediction as to the ultimate effect of the pandemic on the Company’s business. For further discussion of risks and uncertainties related to the pandemic, see the risk factor in Part I, Item 1A of this report titled, The COVID-19 pandemic has negatively impacted our business and, in the future, may materially and adversely affect our business, financial condition and results and stock price, including by increasing the cost and timelines for our clinical development programs.

Basis of Presentation and Summa

Basis of Presentation and Summary of Significant Accounting Policies	12 Months Ended
	Dec. 31, 2021
Accounting Policies [Abstract]
Basis of Presentation and Summary of Significant Accounting Policies	BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Basis of presentation The consolidated financial statements have been prepared in conformity with accounting principles generally accepted in the United States, or U.S. GAAP, as defined by the Financial Accounting Standards Board, or FASB. Going Concern The Company prepared its consolidated financial statements on a going concern basis, which assumes that the Company will realize its assets and satisfy its liabilities in the normal course of business. The Company has a history of losses from operations, expects negative cash flows from its operations to continue for the foreseeable future, and expects that its net losses will continue for at least the next several years as it develops and seeks to bring to market its existing product candidates and potentially acquire, license and develop additional product candidates. These circumstances raise substantial doubt about the Company's ability to continue as a going concern. The accompanying financial statements do not include any adjustments to reflect the possible future effects on the recoverability and reclassification of assets or the amounts and classifications of liabilities that may result from the outcome of the uncertainty of the Company's ability to continue as a going concern. At December 31, 2021, the Company had an accumulated deficit of approximately $110.1 million, cash and cash equivalents of approximately $51.7 million, and working capital of approximately $39.2 million. For the year ended December 31, 2021, the Company incurred a net loss of $38.7 million and had negative cash flow from operations of approximately $28.8 million. The Company expects its primary uses of capital to be staff-related expenses, the cost of clinical trials and regulatory activities related to its product candidates, costs associated with contract manufacturing services and third-party clinical research and development services, payments due to third-party licensors upon the occurrence of commercial milestones for XACIATO and development milestones for the Company’s product candidates, legal expenses, other regulatory expenses and general overhead costs. The Company’s future funding requirements could also include significant costs related to commercialization of its product candidates, if approved, depending on the type, nature and terms of commercial collaborations the Company establishes. The Company expects its expenses, and in particular its research and development expenses, to increase significantly in 2022 compared to 2021 as the Company continues to develop and seek to bring to market its product candidates, with a focus on its product candidates that have reached the human clinical study development phase. To date, the Company has one FDA-approved product, XACIATO, which has not yet been commercially launched. The Company has not obtained any other regulatory approvals for any of its product candidates, commercialized any of its product candidates or generated any revenue. Commercial launch of XACIATO in the U.S. by the Company's licensee, Organon, is expected in the fourth quarter of 2022. Under the terms of its license agreement with Organon, the Company will receive a $10.0 million non-refundable and non-creditable payment following the effective date of the license agreement and will be entitled to receive tiered double-digit royalties based on net sales and up to $182.5 million in milestone payments as follows: $2.5 million following the first commercial sale of a licensed product in the United States; and up to $180.0 million in tiered commercial sales milestones and regulatory milestones. The Company has devoted significant resources to building its portfolio of product candidates and to research and development activities related to these product candidates. The Company or its licensees must obtain regulatory approvals to market and sell any of its product candidates in the future and to market and sell XACIATO anywhere outside the U.S. The Company will need to generate sufficient safety and efficacy data on each of its product candidates in order to apply for regulatory approvals and for such assets to be attractive assets to potential strategic collaborators to license or to acquire, and for the Company to generate revenue through license fees, royalties on net revenues and commercial milestones related to such product candidates. Based on the Company's current operating plan estimates, the Company does not have sufficient cash to satisfy its working capital needs and other liquidity requirements over at least the next 12 months from the date of issuance of the accompanying financial statements. The Company will need to raise substantial additional capital to continue to fund its operations and to successfully execute its current strategy. The Company will continue to seek to raise capital through the sale of shares of its common stock under its ATM sales agreements, however, when the Company can effect such sales and the amount of shares the Company can sell depends on a variety of factors to be determined by the Company from time to time, including, among others, market conditions, the trading price of its common stock and its determination as to the appropriate sources of funding for its operations. For the foreseeable future, the Company will evaluate and may pursue a variety of capital raising options on an on-going basis, including equity and debt financings, government or other grant funding, collaborations and strategic alliances or other similar types of arrangements, to cover its operating expenses, and the cost of any license or other acquisition of new product candidates or technologies. The amount and timing of the Company's capital needs have been and will continue to depend highly on many factors, including the product development programs the Company chooses to pursue, the pace and results of its clinical development efforts, and the nature and extent of expansion of its product candidate portfolio, if any. If the Company raises capital through collaborations, strategic alliances or other similar types of arrangements, it may have to relinquish, on terms that are not favorable to the Company, rights to some of its technologies or product candidates the Company would otherwise seek to develop or commercialize. There can be no assurance that capital will be available when needed or that, if available, it will be obtained on terms favorable to the Company and its stockholders. In addition, equity or debt financings may have a dilutive effect on the holdings of the Company's existing stockholders, and debt financings may subject the Company to restrictive covenants, operational restrictions and security interests in its assets. If the Company cannot raise capital when needed, on favorable terms or at all, the Company will not be able to continue development of its product candidates, will need to reevaluate its planned operations and may need to delay, scale back or eliminate some or all of its development programs, reduce expenses, file for bankruptcy, reorganize, merge with another entity, or cease operations. If the Company becomes unable to continue as a going concern, the Company may have to liquidate its assets, and might realize significantly less than the values at which they are carried on its condensed consolidated financial statements, and stockholders may lose all or part of their investment in the Company's common stock. The Company's condensed consolidated financial statements do not include any adjustments that might result from the outcome of this uncertainty. Principles of Consolidation The consolidated financial statements of the Company are stated in U.S. dollars. These consolidated financial statements include the accounts of the Company and its wholly owned subsidiaries. One wholly owned subsidiary, Daré Bioscience Australia Pty LTD, operates primarily in Australia. The financial statements of the Company’s wholly owned subsidiaries are recorded in their functional currency and translated into the reporting currency. The cumulative effect of changes in exchange rates between the foreign entity’s functional currency and the reporting currency is reported in Accumulated Other Comprehensive Loss. All intercompany transactions and accounts have been eliminated in consolidation. Grant Funding The Company receives certain research and development funding through grants issued by a division of the National Institutes of Health and the Bill & Melinda Gates Foundation, or the Foundation. Under the Foundation grant, which the Company considers to be a research and development contract under FASB Accounting Standards Codification, or ASC, Topic 730 Research and Development , the Company granted the Foundation a Humanitarian License which gives the Foundation the right to make the funded developments accessible at an affordable price to people within developing countries. The Company recognizes grant funding in the statements of operations as a reduction to research and development expense as the related costs are incurred to meet those obligations over the grant period. The Company adopted this policy in 2018. For the years ended December 31, 2021 and December 31, 2020, the Company recognized approximately $2.5 million and $3.7 million, respectively, in the statements of operations as a reduction to research and development expense. Grant funding payments received in advance of research and development expenses incurred are recorded as deferred grant funding liability in the Company's consolidated balance sheets. Use of Estimates The preparation of the consolidated financial statements requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and the disclosure of contingent assets and liabilities at the date of the financial statements, and the reported amounts of revenues and expenses during the reporting period. Significant estimates include the fair value of stock-based compensation. Actual results could differ from those estimates and could materially affect the reported amounts of assets, liabilities and future operating results. Risks and Uncertainties The Company will require approvals from the U.S. Food and Drug Administration, or FDA, or foreign regulatory agencies prior to being able to sell any products. The Company received approval from the FDA for its first product, XACIATO™, in December 2021. There can be no assurance that the Company’s current or future product candidates will receive the necessary approvals. If the Company is denied regulatory approval of its product candidates, or if approval is delayed, it may have a material adverse impact on the Company’s business, results of operations and its financial position. The Company is subject to a number of risks similar to other life science companies, including, but not limited to, risks related to the ability to license product candidates, successfully develop product candidates, successfully commercialize approved products or enter into strategic relationships with third parties who are able to successfully commercialize approved products, raise additional capital, compete with other products, and protect proprietary technology. As a result of these and other factors and the related uncertainties, there can be no assurance of the Company’s future success. Cash and Cash Equivalents The Company considers cash and all highly liquid investments with an original maturity of three months or less to be cash and cash equivalents. The Company’s wholly owned subsidiary, Dare MB Inc., has a $35,903 letter of credit related to the lease of real property that serves as security for future default of lease payments. The letter of credit is collateralized by cash which is unavailable for withdrawal or for usage for general obligations and is included in cash and cash equivalents on the Company's consolidated balance sheets. Concentration of Credit Risk The Company maintains cash balances at various financial institutions and such balances commonly exceed the $250,000 amount insured by the Federal Deposit Insurance Corporation. The Company also maintains money market funds at various financial institutions which are not federally insured although are invested primarily in the U.S. The Company has not experienced any losses in such accounts and management believes that the Company does not have significant risk with respect to such cash and cash equivalents. Fair Value of Financial Instruments GAAP defines fair value as the price that would be received for an asset or the exit price that would be paid to transfer a liability in the principal or most advantageous market in an orderly transaction between market participants on the measurement date, and also establishes a fair value hierarchy which requires an entity to maximize the use of observable inputs, where available. The three-level hierarchy of valuation techniques established to measure fair value is defined as follows: • Level 1: inputs are unadjusted quoted prices in active markets for identical assets or liabilities. • Level 2: inputs other than Level 1 that are observable, either directly or indirectly, such as quoted prices in active markets for similar assets and liabilities, quoted prices for identical or similar assets or liabilities in markets that are not active, or other inputs that are observable or can be corroborated by observable market data for substantially the full term of assets or liabilities. • Level 3: unobservable inputs that are supported by little or no market activity and that are significant to the fair value of the assets or liabilities. The following tables present the classification within the fair value hierarchy of financial assets and liabilities that are remeasured on a recurring basis as of December 31, 2021 and December 31, 2020. There were no financial assets or liabilities that were remeasured using a quoted price in active markets for identical assets (Level 2) as of December 31, 2021 . Fair Value Measurements Level 1 Level 2 Level 3 Total Balance at December 31, 2021 Current assets: Cash equivalents (1) $ 49,666,064 $ — $ — $ 49,666,064 Balance at December 31, 2020 Current assets: Cash equivalents (1) $ 2,823,099 $ — $ — $ 2,823,099 Other non-current liabilities: Current portion of contingent consideration (2) $ — $ — $ 1,000,000 $ 1,000,000 (1) Represents cash held in money market funds. (2) Represented t he estimated fair value of the contingent consideration payable by the Company related to an acquisition completed in November 2019, and which was paid in September 2021, as described in Note 3. The following table presents a reconciliation of contingent consideration, which was measured at fair value on a recurring basis using significant unobservable inputs (Level 3): Year Ended December 31, 2021 2020 Balance at beginning of period $ 1,000,000 $ 1,000,000 Satisfaction of contingent consideration (1) (1,000,000) — Balance at end of period $ — $ 1,000,000 (1) In June 2021, the contingent consideration payable by the Company related to an acquisition completed in November 2019 became due. In September 2021, the Company issued approximately 700,000 shares of its common stock in satisfaction of the milestone payments associated with milestones achieved, as described in Note 3. Revenue Recognition The Company recognizes revenue in accordance with FASB ASC Topic 606, Revenue from Contracts with Customers , which applies to all contracts with customers, except for contracts that are within the scope of other standards, such as leases, insurance, collaboration arrangements and financial instruments. The Company recognizes revenue when it transfers promised goods or services to customers in an amount that reflects the consideration to which it expects to be entitled in exchange for those goods or services. To determine revenue recognition for contracts with customers, the Company performs the following five steps: (i) identify the contract(s) with a customer; (ii) identify the performance obligations in the contract; (iii) determine the transaction price; (iv) allocate the transaction price to the performance obligations in the contract; and (v) recognize revenue when (or as) the Company satisfies its performance obligations. At contract inception, the Company assesses the goods or services agreed upon within each contract and assesses whether each good or service is distinct, and determines those that are performance obligations. The Company then recognizes as revenue the amount of the transaction price that is allocated to the respective performance obligation when (or as) the performance obligation is satisfied. In a contract with multiple performance obligations, the Company develops estimates and assumptions that require judgment to determine the underlying stand-alone selling price for each performance obligation, which determines how the transaction price is allocated among the performance obligations. The estimation of the stand-alone selling price(s) may include estimates regarding forecasted revenues or costs, development timelines, discount rates, and probabilities of technical and regulatory success. The Company evaluates each performance obligation to determine if it can be satisfied at a point in time or over time. Any change made to estimated progress towards completion of a performance obligation and, therefore, revenue recognized will be recorded as a change in estimate. In addition, variable consideration must be evaluated to determine if it is constrained and, therefore, excluded from the transaction price. License Fees. If the license to the Company’s intellectual property is determined to be distinct from the other performance obligations identified in a contract, the Company recognizes revenues from non-refundable, upfront fees allocated to the license when the license is transferred to the customer and the customer is able to use and benefit from the license. For licenses that are bundled with other promises, the Company utilizes judgment to assess the nature of the combined performance obligation to determine whether the combined performance obligation is satisfied over time or at a point in time and, if over time, the appropriate method of measuring progress for purposes of recognizing revenue from non-refundable, upfront fees. The Company evaluates the measure of progress each reporting period and, if necessary, adjusts the measure of performance and related revenue recognition. To date, the Company has not recognized any license fee revenue resulting from any of its collaborative arrangements. Royalties and Commercial Milestones. For arrangements that include sales-based royalties and milestone payments based on the level of sales, and for which the license is deemed to be the predominant item to which the royalties and milestones relate, the Company recognizes revenue at the later of (i) when the related sales occur, or (ii) when the performance obligation to which some or all of the royalty has been allocated has been satisfied (or partially satisfied). To date, the Company has not recognized any royalty revenue or any commercial milestones resulting from any of its collaborative arrangements. Bayer License. In January 2020, the Company entered into a license agreement with Bayer HealthCare LLC, or Bayer, regarding the further development and commercialization of Ovaprene in the U.S. Upon execution of the agreement, the Company received a $1.0 million upfront non-refundable license fee payment from Bayer. Bayer, in its sole discretion, has the right to make the license effective by paying the Company an additional $20.0 million. The Company concluded that there was one significant performance obligation related to the $1.0 million upfront payment: a distinct license to commercialize Ovaprene effective upon the receipt of the $20.0 million fee. The $1.0 million upfront payment will be recorded as license revenue at the earlier of (1) the point in time the Company receives the $20.0 million fee, the license is transferred to Bayer and Bayer is able to use and benefit from the license and (2) the termination of the agreement. As of December 31, 2021, neither of the foregoing had occurred. The $1.0 million payment is recorded as deferred license revenue in the Company's consolidated balance sheets at December 31, 2021 and December 31, 2020. The Company will also be entitled to receive (a) milestone payments totaling up to $310.0 million related to the commercial sales of Ovaprene, if all such milestones are achieved, (b) tiered royalties starting in the low double digits based on annual net sales of Ovaprene during a calendar year, subject to customary royalty reductions and offsets, and (c) a percentage of sublicense revenue. Potential future payments for variable consideration, such as commercial milestones, will be recognized when it is probable that, if recorded, a significant reversal will not take place. Potential future royalty payments will be recorded as revenue when the associated sales occur. (See Note 3, Strategic Agreements.) Leases The Company determines if an arrangement is a lease at inception. Operating leases are included in other non-current assets as right-of-use, or ROU, lease assets, current portion of lease liabilities, and long-term lease liabilities on the Company's consolidated balance sheets. ROU lease assets represent the Company's right to use an underlying asset for the lease term and lease obligations represent the Company's obligation to make lease payments arising from the lease. Operating ROU lease assets and obligations are recognized at the commencement date based on the present value of lease payments over the lease term. If the lease does not provide an implicit rate, the Company uses its incremental borrowing rate based on the information available at the commencement date in determining the present value of lease payments. The ROU lease asset also includes any lease payments made and excludes lease incentives. The Company's lease terms may include options to extend or terminate the lease and the related payments are only included in the lease liability when it is reasonably certain that the Company will exercise that option. Lease expense for lease payments is recognized on a straight-line basis over the lease term. (See Note 11, Leased Properties.) Segment Reporting Operating segments are identified as components of an enterprise about which separate discrete financial information is available for evaluation by the chief operating decision maker, or decision-making group, in making decisions on how to allocate resources and assess performance. Its chief operating decision maker is the chief executive officer. The Company has one operating segment, women’s health. Research and Development Costs Research and development expenses consist of expenses incurred in performing research and development activities, including compensation and benefits for full-time research and development employees, an allocation of facilities expenses, overhead expenses, manufacturing process-development and scale-up activities, fees paid to clinical and regulatory consultants, clinical trial and related clinical trial manufacturing expenses, fees paid to contract research organizations, or CROs, and investigative sites, transaction expenses incurred in connection with the expansion of the product portfolio through acquisitions and license and option agreements, milestone payments incurred or probable to be incurred for the Company's in-licensing arrangements, payments to universities under the Company’s license agreements and other outside expenses. Research and development costs are expensed as incurred. Nonrefundable advance payments, if any, for goods and services used in research and development are recognized as an expense as the related goods are delivered or services are performed. Net Loss Per Share Basic net loss attributable to common stockholders per share is calculated by dividing the net loss by the weighted average number of shares of common stock outstanding during the period without consideration of common stock equivalents. Since the Company was in a loss position for all periods presented, diluted net loss per share is the same as basic net loss per share for all periods presented as the inclusion of all potential dilutive securities would have been antidilutive. There were stock options exercisable into 4,717,602 and 2,786,591 shares of common stock outstanding at December 31, 2021 and 2020, respectively. There were warrants exercisable into 1,381,015 and 1,908,643 shares of common stock outstanding at December 31, 2021 and 2020, respectively. These securities were not included in the computation of diluted loss per share because they are antidilutive, but they could potentially dilute earnings (loss) per share in future years. Stock-Based Compensation The Company records compensation expense for all stock-based awards granted based on the fair value of the award at the time of grant. The Company uses the Black-Scholes Pricing Model to determine the fair value of each of the awards which considers factors such as expected term, volatility, risk free interest rate and dividend yield. Due to the limited history of the Company, the simplified method was utilized in order to determine the expected term of the awards. Additionally, the Company considered comparable companies in the industry which have available share price history to calculate the volatility. The Company compared U.S. Treasury Bills in determining the risk-free interest rate appropriate given the expected term. The Company has not established and has no plans to establish, a dividend policy, and the Company has not declared, and has no plans to declare dividends in the foreseeable future and thus no dividend yield was determined necessary in the calculation of fair value. Income Taxes The Company accounts for income taxes using the asset and liability method in accordance with FASB ASC 740, Income Taxes . Under this method deferred income taxes are provided to reflect the tax consequences in future years of differences between the tax basis of assets and liabilities and their financial reporting amounts based on enacted tax laws and statutory tax rates applicable to the periods in which the differences are expected to affect taxable income. Valuation allowances are established when necessary to reduce deferred tax assets to the amount expected to be realized. The Company follows the two-step approach to recognizing and measuring uncertain tax positions. The first step is to evaluate the tax position for recognition by determining if the weight of available evidence indicates it is more likely than not, that the position will be sustained on audit, including resolution of related appeals or litigation processes, if any. The second step is to measure the tax benefit as the largest amount, which is more than 50% likely of being realized upon ultimate settlement. The Company considers many factors when evaluating and estimating the Company's tax positions and tax benefits, which may require periodic adjustments. At December 31, 2021, the Company did not record any liabilities for uncertain tax positions. During each of 2021 and 2020, the Company recorded no provision for income taxes. Management evaluated the Company’s tax positions and, as of December 31, 2021, the Company had approximately $1.9 million of unrecognized benefits. The tax years 2017 to 2021 remain open to examination by federal and state taxing authorities while the statute of limitations for U.S. net operating losses generated remain open beginning in the year of utilization. Indemnification Obligations As permitted under Delaware law, the Company has entered into indemnification agreements with its officers and directors that provide that the Company will indemnify its directors and officers for certain expenses, including attorneys’ fees, judgments, fines and settlement amounts incurred by such director or officer in any action or proceeding arising out of their service as a director and/or officer. The term of the indemnification is for the officer’s or director’s lifetime. During the year ended December 31, 2021, the Company did not experience any losses related to those indemnification obligations. The Company does not expect significant claims related to these indemnification obligations, and consequently, has concluded the fair value of the obligations is not material. Accordingly, as of December 31, 2021 and 2020, no amounts have been accrued related to such indemnification provisions.

Strategic Agreements

Strategic Agreements	12 Months Ended
	Dec. 31, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Strategic Agreements	STRATEGIC AGREEMENTS Strategic Agreement for Product Commercialization Bayer HealthCare License Agreement In January 2020, the Company entered into a license agreement with Bayer, regarding the further development and commercialization of Ovaprene in the U.S. The Company received a $1.0 million upfront non-refundable license fee payment from Bayer and Bayer agreed to support the Company in development and regulatory activities by providing the equivalent of two experts to advise the Company in clinical, regulatory, preclinical, commercial, CMC and product supply matters. Bayer, in its sole discretion, has the right to make the license effective by paying the Company an additional $20.0 million, referred to as the Clinical Trial and Manufacturing Activities Fee. Such license would be exclusive with regard to the commercialization of Ovaprene for human contraception in the U.S. and co-exclusive with the Company with regard to development. The following is a summary of the other terms of the Bayer license agreement: Milestone & Royalty Payments . The Company will be entitled to receive (a) a milestone payment in the low double-digit millions upon the first commercial sale of Ovaprene in the U.S. and escalating milestone payments based on annual net sales of Ovaprene during a calendar year, totaling up to $310.0 million if all such milestones, including the first commercial sale, are achieved, (b) tiered royalties starting in the low double digits based on annual net sales of Ovaprene during a calendar year, subject to customary royalty reductions and offsets, and (c) a percentage of sublicense revenue. Efforts. The Company is responsible for the pivotal trial for Ovaprene and for its development and regulatory activities and has product supply obligations. After payment of the Clinical Trial and Manufacturing Activities Fee, Bayer will be responsible for the commercialization of Ovaprene for human contraception in the U.S. Term. The initial term of the agreement, which is subject to automatic renewal terms, continues until the later of (a) the expiration of any valid claim covering the manufacture, use, sale or import of Ovaprene in the U.S.; or (b) 15 years from the first commercial sale of Ovaprene in the U.S. In addition to customary termination rights for both parties, Bayer may terminate the agreement at any time on 90 days' notice and the agreement will automatically terminate if the Company does not receive the Clinical Trial and Manufacturing Activities Fee if and when due. Strategic Agreements for Pipeline Development Hammock/MilanaPharm Assignment and License Agreement In December 2018, the Company entered into (a) an Assignment Agreement with Hammock Pharmaceuticals, Inc., or the Assignment Agreement, and (b) a First Amendment to License Agreement with TriLogic Pharma, LLC and MilanaPharm LLC, or the License Amendment. Both agreements relate to the Exclusive License Agreement among Hammock, TriLogic and MilanaPharm dated as of January 9, 2017, or the MilanaPharm License Agreement. Under the Assignment Agreement and the MilanaPharm License Agreement, as amended by the License Amendment, the Company acquired an exclusive, worldwide license under certain intellectual property to, among other things, develop and commercialize products for the diagnosis, treatment and prevention of human diseases or conditions in or through any intravaginal or urological applications. The licensed intellectual property relates to the hydrogel drug delivery platform of TriLogic and MilanaPharm known as TRI-726. In XACIATO, this proprietary technology is formulated with clindamycin for the treatment of bacterial vaginosis. In December 2019, the Company entered into amendments to each of the Assignment Agreement and License Amendment. In September 2021, the Company and Trilogic and MilanaPharm entered into another amendment to the License Agreement. The following is a summary of other terms of the License Amendment, as amended: License Fees. A total of $235,000 in license fees were payable to MilanaPharm, the final installment of which was $110,000 paid in 2020. Milestone Payments. The Company paid MilanaPharm $300,000 in the aggregate upon achievement of certain clinical and regulatory development milestones; $50,000 of which was paid in 2020 and $250,000 of which was paid in 2021. The Company may also pay MilanaPharm up to $1.75 million in the aggregate upon achieving certain commercial sales milestones. Foreign Sublicense Income. The Company will pay MilanaPharm a low double-digit percentage of all income received by the Company or its affiliates in connection with any sublicense granted to a third party for use outside of the United States, subject to certain exclusions. Royalty Payments. During the royalty term, the Company will pay MilanaPharm high single-digit to low double-digit royalties based on annual worldwide net sales of licensed products and processes. The royalty term, which is determined on a country-by-country basis and licensed product-by-product basis (or process-by-process basis), begins with the first commercial sale of a licensed product or process in a country and terminates on the latest of (1) the expiration date of the last valid claim of the licensed patent rights that cover the method of use of such product or process in such country, or (2) 10 years following the first commercial sale of such product or process in such country. Royalty payments are subject to reduction in certain circumstances, including as a result of generic competition, patent prosecution expenses incurred by the Company, or payments to third parties for rights or know-how required for the Company to exercise the licenses granted to it under the MilanaPharm License Agreement or that are strategically important or could add value to a licensed product or process in a manner expected to materially generate or increase sales. Efforts. The Company must use commercially reasonable efforts and resources to (1) develop and commercialize at least one licensed product or process in the United States and at least one licensed product or process in at least one of Canada, the United Kingdom, France, Germany, Italy or Spain, and (2) continue to commercialize that product or process following the first commercial sale of a licensed product or process in the applicable jurisdiction. Term. Unless earlier terminated, the license term continues until (1) on a licensed product-by-product (or process-by-process basis) and country-by-country basis, the date of expiration of the royalty term with respect to such licensed product in such country, and (2) the expiration of all applicable royalty terms under the MilanaPharm License Agreement with respect to all licensed products and processes in all countries. Upon expiration of the term with respect to any licensed product or process in a country (but not upon earlier termination of the MilanaPharm License Agreement), the licenses granted to the Company under the MilanaPharm License Agreement will convert automatically to an exclusive, fully paid-up, royalty-free, perpetual, non-terminable and irrevocable right and license under the licensed intellectual property. In addition to customary termination rights for all parties, MilanaPharm may terminate the license granted to the Company solely with respect to a licensed product or process in a country if, after having launched such product or process in such country, (1) the Company or its affiliates or sublicensees discontinue the sale of such product or process in such country and MilanaPharm notifies the Company of such termination within 60 days of having first been notified by the Company of such discontinuation, or (2) the Company or its affiliates or sublicensees (A) discontinue all commercially reasonable marketing efforts to sell, and discontinue all sales of, such product or process in such country for nine months or more, (B) fail to resume such commercially reasonable marketing efforts within 120 days of having been notified of such failure by MilanaPharm, (C) fail to reasonably demonstrate a strategic justification for the discontinuation and failure to resume to MilanaPharm, and (D) MilanaPharm gives 90 days’ notice to the Company. The following is a summary of other terms of the Assignment Agreement, as amended: Assignment; Technology Transfer . Hammock assigned and transferred to the Company all of its right, title and interest in and to the MilanaPharm License Agreement and agreed to cooperate to transfer to the Company all of the data, materials and the licensed technology in its possession pursuant to a technology transfer plan to be agreed upon by the parties, with a goal for the Company to independently practice the licensed intellectual property as soon as commercially practical in order to develop and commercialize the licensed products and processes. Fees. A total of $512,500 in fees were payable to Hammock, the final installment of which was $137,500 paid in 2020. Milestone Payments. The Company will pay Hammock up to $1.1 million in the aggregate upon achievement of certain clinical and regulatory development milestones, $100,000 of which was paid in 2020 and $750,000 of which was paid in 2021. The remaining milestone does not relate to a bacterial vaginosis product. Term. The Assignment Agreement will terminate upon the later of (1) completion of the parties' technology transfer plan, and (2) payment to Hammock of the last of the milestone payments. ADVA-Tec License Agreement In March 2017, the Company entered into a license agreement with ADVA-Tec, Inc., under which the Company was granted the exclusive right to develop and commercialize Ovaprene for human contraceptive use worldwide. The Company must use commercially reasonable efforts to develop and commercialize Ovaprene and must meet certain minimum spending amounts per year, including $2.5 million per year to cover such activities until a final PMA is filed, or until the first commercial sale of Ovaprene, whichever occurs first. ADVA-Tec will conduct certain research and development work as necessary to allow the Company to seek a PMA from the FDA and will provide the Company with clinical trial and commercial supplies of Ovaprene, either directly or through a CMO, on commercially reasonable terms. Under the license agreement, in addition to an exclusive license to ADVA-Tec's and its affiliates' intellectual property rights for all uses of Ovaprene as a human contraceptive device, the Company has a right of first refusal to license these patents and patent applications for additional indications. The following is a summary of other terms of the ADVA-Tec license agreement: Milestone Payments. The Company will pay to ADVA-Tec: (1) up to $14.6 million in the aggregate based on the achievement of specified development and regulatory milestones, $200,000 of which was paid in 2021; and (2) up to $20.0 million in the aggregate based on the achievement of certain worldwide net sales milestones. The remaining development and regulatory milestones include: the FDA's approval to commence a pivotal clinical trial; successful completion of such pivotal clinical trial; the FDA's acceptance of a PMA filing for Ovaprene; the FDA's approval of the PMA for Ovaprene; CE Marking of Ovaprene in at least three designated European countries; obtaining regulatory approval in at least three designated European countries; and obtaining regulatory approval in Japan. Royalty Payments . After the commercial launch of Ovaprene, the Company will pay to ADVA-Tec royalties based on aggregate annual net sales of Ovaprene in specified regions, at a royalty rate that will vary between 1% and 10% and will increase based on various net sales thresholds. Term . Unless earlier terminated, the license the Company received under the agreement continues on a country-by-country basis until the later of the life of the licensed patents or the Company's last commercial sale of Ovaprene. In addition to customary termination rights for both parties: (A) the Company may terminate the agreement with or without cause in whole or on a country-by-country basis upon 60 days prior written notice; and (B) ADVA-Tec may terminate the agreement if the Company develops or commercializes any non-hormonal ring-based vaginal contraceptive device competitive to Ovaprene or if the Company fails to: (1) in certain limited circumstances, commercialize Ovaprene in certain designated countries within three years of the first commercial sale of Ovaprene; (2) satisfy the annual spending obligation described above, (3) use commercially reasonable efforts to complete all necessary pre-clinical and clinical studies required to support and submit a PMA, (4) conduct clinical trials as set forth in the development plan to which the Company and ADVA-Tec agree, and as may be modified by a joint research committee, unless such failure is caused by events outside of the Company’s reasonable control, or (5) enroll a patient in the first non-significant risk medical device study or clinical trial as allowed by an institutional review board within six months of the production and release of Ovaprene, unless such failure is caused by events outside of the Company’s reasonable control. SST License and Collaboration Agreement In February 2018, the Company entered into a license and collaboration agreement with Strategic Science & Technologies-D, LLC and Strategic Science & Technologies, LLC, referred to collectively as SST, under which the Company received an exclusive, royalty-bearing, sublicensable license to develop and commercialize, in all countries and geographic territories of the world, for all indications for women related to female sexual dysfunction and/or female reproductive health, including treatment of female sexual arousal disorder, or the Field of Use, SST’s topical formulation of Sildenafil Cream, 3.6% as it existed as of the effective date of the agreement, or any other topically applied pharmaceutical product containing sildenafil or a salt thereof as a pharmaceutically active ingredient, alone or with other active ingredients, but specifically excluding any product containing ibuprofen or any salt derivative of ibuprofen, or the Licensed Products. The following is a summary of other terms of the SST license agreement: Invention Ownership. The Company retains rights to inventions made by its employees, SST retains rights to inventions made by its employees, and each party owns a 50% undivided interest in all joint inventions. Joint Development Committee. The parties will collaborate through a joint development committee that will determine the strategic objectives for, and generally oversee, the development efforts of both parties under the agreement. Development. The Company must use commercially reasonable efforts to develop the Licensed Products in the Field of Use in accordance with a development plan in the agreement, and to commercialize the Licensed Products in the Field of Use. The Company is responsible for all reasonable internal and external costs and expenses incurred by SST in its performance of the development activities it must perform under the agreement. Royalty Payments. SST will be eligible to receive tiered royalties based on percentages of annual net sales of Licensed Products in the single digits to the mid double digits, subject to customary royalty reductions and offsets, and a percentage of sublicense revenue. Milestone Payments. SST will be eligible to receive payments (1) ranging from $0.5 million to $18.0 million in the aggregate on achieving certain clinical and regulatory milestones in the U.S. and worldwide, and (2) between $10.0 million to $100.0 million in the aggregate upon achieving certain commercial sales milestones. If the Company enters into strategic development or distribution partnerships related to the Licensed Products, additional milestone payments would be due to SST. Term. The Company’s license continues on a country-by-country basis until the later of 10 years from the date of the first commercial sale of such Licensed Product or the expiration of the last valid claim of patent rights covering the Licensed Product in the Field of Use. Upon expiration (but not termination) of the agreement in a particular country, the Company will have a fully paid-up license under the licensed intellectual property to develop and commercialize the applicable Licensed Products in the applicable country on a non-exclusive basis. Termination. In addition to customary termination rights for both parties: (1) prior to receipt of approval by a regulatory authority necessary for commercialization of a Licensed Product in the corresponding jurisdiction, including NDA approval, the Company may terminate the agreement without cause upon 90 days prior written notice; (2) following receipt of approval by a regulatory authority necessary for commercialization of a Licensed Product in the corresponding jurisdiction, including NDA approval, the Company may terminate the agreement without cause upon 180 days prior written notice; and (3) SST may terminate the agreement with respect to the applicable Licensed Product(s) in the applicable country(ies) upon 30 days’ notice if the Company fails to use commercially reasonable efforts to perform development activities in substantial accordance with the development plan and do not cure such failure within 60 days of receipt of SST's notice thereof. Catalent JNP License Agreement In April 2018, the Company entered into an exclusive license agreement with Catalent JNP, Inc. (formerly known as Juniper Pharmaceuticals, Inc., and which the Company refers to as Catalent), under which Catalent granted the Company (a) an exclusive, royalty-bearing worldwide license under certain patent rights, either owned by or exclusively licensed to Catalent, to make, have made, use, have used, sell, have sold, import and have imported products and processes, and (b) a non-exclusive, royalty-bearing worldwide license to use certain technological information owned by Catalent to make, have made, use, have used, sell, have sold, import and have imported products and processes. The Company is entitled to sublicense the rights granted to it under this agreement. Upfront Fee. The Company paid a $250,000 non-creditable upfront license fee to Catalent in connection with the execution of the agreement. Annual Maintenance Fee. The Company will pay an annual license maintenance fee to Catalent on each anniversary of the date of the agreement, the amount of which will be $50,000 for the first two years and $100,000 thereafter, and which will be creditable against royalties and other payments due to Catalent in the same calendar year but may not be carried forward to any other year. The Company made the first payments in April 2019. Milestone Payments. The Company must make potential future development and sales milestone payments of (1) up to $13.5 million in the aggregate upon achieving certain clinical and regulatory milestones, $1.0 million of which became payable in the third quarter of 2021, and in accordance with the license agreement, the amount was offset by the $100,000 annual maintenance fee, resulting in a net amount of $900,000 paid during the third quarter of 2021, and (2) up to $30.3 million in the aggregate upon achieving certain commercial sales milestones for each product or process covered by the licenses granted under the agreement. Royalty Payments . During the royalty term, the Company will pay Catalent mid-single-digit to low double-digit royalties based on worldwide net sales of products and processes covered by the licenses granted under the agreement. In lieu of such royalty payments, the Company will pay Catalent a low double-digit percentage of all sublicense income the Company receives for the sublicense of rights under the agreement to a third party. The royalty term, which is determined on a country-by-country basis and product-by-product basis (or process-by-process basis), begins with the first commercial sale of a product or process in a country and terminates on the latest of (1) the expiration date of the last valid claim within the licensed patent rights with respect to such product or process in such country, (2) 10 years following the first commercial sale of such product or process in such country, and (3) when one or more generic products for such product or process are commercially available in such country, except that if there is no such generic product by the 10th year following the first commercial sale in such country, then the royalty term will terminate on the 10-year anniversary of the first commercial sale in such country. Efforts. The Company must use commercially reasonable efforts to develop and make at least one product or process available to the public, which efforts include achieving specific diligence requirements by specific dates specified in the agreement. Term. Unless earlier terminated, the term of the agreement will continue on a country-by-country basis until the later of (1) the expiration date of the last valid claim within such country, or (2) 10 years from the date of first commercial sale of a product or process in such country. Upon expiration (but not early termination) of the agreement, the licenses granted thereunder will convert automatically to fully-paid irrevocable licenses. Catalent may terminate the agreement (1) upon 30 days’ notice for the Company’s uncured breach of any payment obligation under the agreement, (2) if the Company fails to maintain required insurance, (3) immediately upon the Company’s insolvency or the making of an assignment for the benefit of the Company’s creditors or if a bankruptcy petition is filed for or against the Company, which petition is not dismissed within 90 days, or (4) upon 60 days’ notice for any uncured material breach by the Company of any of the Company’s other obligations under the agreement. The Company may terminate the agreement on a country-by-country basis for any reason by giving 180 days’ notice (or 90 days’ notice if such termination occurs prior to receipt of marketing approval in the United States). If Catalent terminates the agreement for the reason described in clause (4) above or if the Company terminates the agreement, Catalent will have full access including the right to use and reference all product data generated during the term of the agreement that is owned by the Company. Adare Development and Option Agreement In March 2018, the Company entered into an exclusive development and option agreement with Adare Pharmaceuticals (formerly known as Orbis Biosciences, and which the Company refers to as Adare), for the development of long-acting injectable etonogestrel contraceptive with 6- and 12-month durations (now known as ADARE-204 and ADARE-214, respectively). The agreement provides the Company with an option to negotiate an exclusive license agreement for the programs if the Company funds the conduct of specified development work by Adare. MBI Acquisition In November 2019, the Company acquired Dare MB Inc. (formerly, Microchips Biotech, Inc.), or MBI, to secure the rights to develop a long-acting reversible contraception method, that a woman can turn on or off herself, according to her own needs. This candidate is now known as DARE-LARC1. At the closing of the acquisition, the Company issued an aggregate of approximately 3.0 million shares of its common stock to the holders of shares of MBI's capital stock outstanding immediately prior to the effective time of the merger. The transaction was valued at $2.4 million, based on the fair value of the approximately 3.0 million shares issued at $0.79 per share, which was the closing price per share of the Company's common stock on the date of closing. The shares were issued in exchange for MBI's cash and cash equivalents of $6.1 million, less net liabilities of $3.5 million and transaction costs of $202,000, which was allocated based on the relative fair value of the assets acquired and the liabilities assumed. The Company also agreed to pay the following additional consideration to the former MBI stockholders: (a) up to $46.5 million contingent upon the achievement of specified funding, product development and regulatory milestones; (b) up to $55.0 million contingent upon the achievement of specified amounts of aggregate net sales of products incorporating the intellectual property acquired by the Company in the merger; (c) tiered royalty payments ranging from low single-digit to low double-digit percentages of annual net sales of such products, subject to customary provisions permitting royalty reductions and offset; and (d) a percentage of sublicense revenue related to such products. The Company agreed to use commercially reasonable efforts to achieve specified development and regulatory objectives relating to DARE-LARC1. In June 2021, a total of $1.25 million of that potential additional consideration became payable upon the achievement of certain of the funding and product development milestone events, $1.0 million of which was recorded as contingent consideration on the Company's consolidated balance sheets upon the completion of the MBI acquisition and $250,000 of which was expensed in 2021. In July 2021, the Company’s board of directors elected to make these milestone payments in shares of the Company’s common stock, to the extent permissible under the terms of the merger agreement with MBI, and, in September 2021, the Company issued approximately 700,000 shares of its common stock to former stockholders of MBI and paid $75,000 in cash to the stockholders’ representative in accordance with the terms of the merger agreement in satisfaction of the $1.25 million in milestone payments associated with milestones achieved in June 2021. See Note 12. Pear Tree Acquisition In May 2018, the Company completed its acquisition of Pear Tree Pharmaceuticals, Inc., or Pear Tree. The Company acquired Pear Tree to secure the rights to develop a proprietary vaginal formulation of tamoxifen, now known as DARE-VVA1, as a potential treatment for vulvar and vaginal atrophy. Milestone Payments . The Company must make contingent payments to the Pear Tree former stockholders or their representatives, or the Holders, that become payable upon achievement of specified clinical, regulatory and commercial milestones, which may be paid, in the Company’s sole discretion, in cash or shares of the Company’s common stock. Royalty Payments . The Holders will be eligible to receive, subject to certain offsets, tiered royalties, including customary provisions permitting royalty reductions and offset, based on percentages of annual net sales of certain products subject to license agreements the Company assumed and a percentage of sublicense revenue.

Prepaid Expenses

Prepaid Expenses	12 Months Ended
	Dec. 31, 2021
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Prepaid Expenses	PREPAID EXPENSES Prepaid expenses consisted of the following: As of December 31, 2021 2020 Prepaid clinical expense $ 1,728,421 $ 1,288,341 Prepaid insurance expense 552,354 227,298 Prepaid legal and professional expenses 195,837 338,638 Total prepaid expenses $ 2,476,612 $ 1,854,277

Other Non-Current Assets

Other Non-Current Assets	12 Months Ended
	Dec. 31, 2021
Other Assets, Noncurrent Disclosure [Abstract]
Other Non-Current Assets	OTHER NON-CURRENT ASSETS Other non-current assets consisted of the following: As of December 31, 2021 2020 Prepaid insurance, long-term portion $ 87,891 $ 246,016 Deferred financing costs 143,002 — Deposits 37,554 43,304 Operating lease assets 216,673 239,550 Total other non-current assets $ 485,120 $ 528,870

Accrued Expenses

Accrued Expenses	12 Months Ended
	Dec. 31, 2021
Payables and Accruals [Abstract]
Accrued Expenses	ACCRUED EXPENSES Accrued expenses consisted of the following: As of December 31, 2021 2020 Accrued compensation and benefits expenses $ 1,533,475 $ 1,157,074 Accrued legal and professional expenses 293,688 297,395 Accrued license expense 66,667 66,667 Accrued clinical and related expenses 1,242,414 1,838,582 Total accrued expenses $ 3,136,244 $ 3,359,718

Vendor Concentration

Vendor Concentration	12 Months Ended
	Dec. 31, 2021
Risks and Uncertainties [Abstract]
Vendor Concentration	VENDOR CONCENTRATIONThe Company had a major vendor that accounted for approximately 23% and 20% of the research and development expenditures for one of the Company's late-stage product candidates for the years ended December 31, 2021 and 2020, respectively. The same vendor also accounted for approximately 4% and 23% of the total accounts payable and vendor-related accrued expenses as of December 31, 2021 and 2020, respectively. The Company continues to maintain this vendor relationship and anticipates incurring significant expenses with this vendor over the next 12 months.

Income Taxes

Income Taxes	12 Months Ended
	Dec. 31, 2021
Income Tax Disclosure [Abstract]
Income Taxes	INCOME TAXES The components of loss from continuing operations before provision for income taxes consists of the following (in thousands): Years Ended December 31, 2021 2020 Domestic $ 37,083 $ 27,249 Foreign 1,613 152 Loss before taxes $ 38,696 $ 27,401 The difference between the provision for income taxes (benefit) and the amount computed by applying the U.S. federal income tax rate for the years ended December 31, 2021 and 2020 are as follows: Years Ended December 31, 2021 2020 Federal statutory rate 21.0 % 21.0 % State income tax, net of federal benefit 9.64 % 8.86 % Permanent differences 0.19 % — % Research and development credit 2.70 % 1.80 % Stock compensation (0.41) % (0.34) % Other 0.25 % (0.4) % Change in valuation allowance (33.38) % (30.93) % Effective income tax rate (0.01) % (0.01) % The major components of the Company’s deferred tax assets as of December 31, 2021 and 2020 are shown below (in thousands). 2021 2020 Net operating loss carryforwards $ 81,817 $ 68,437 Research and development credit carryforwards 7,186 4,903 Capitalized research and development costs 7,417 9,398 Other 801 376 Stock compensation 2,540 2,183 Total deferred tax assets 99,761 85,297 Valuation allowance (99,761) (85,297) Net deferred tax assets $ — $ — The Company has evaluated the positive and negative evidence bearing upon the realizability of its deferred tax assets. Under applicable accounting standards, management has considered the Company’s history of losses and concluded that it is more likely than not the Company will not recognize the benefits of federal and state deferred tax assets. Accordingly, a valuation allowance of $99.8 million and $85.3 million was established at December 31, 2021 and 2020, respectively, to offset the net deferred tax assets. When and if management determines that it is more likely than not that the Company will be able to utilize the deferred tax assets prior to their expiration, the valuation allowance may be reduced or eliminated. The increase in valuation allowance of approximately $14.5 million and $22.1 million for the years ending December 31, 2021 and 2020, respectively, is primarily related to an increase in net operating losses generated during the year. The Company has U.S. federal net operating loss, or NOL, carryforwards available at December 31, 2021 of approximately $295.2 million of which $0.2 million begin expiring in 2022 unless previously utilized and $117.6 million that do not expire. The Company has state NOL carryforwards of $292.6 million that begin expiring in 2031 unless previously utilized. The Company has U.S. federal research credit carryforwards available at December 31, 2021 of approximately $6.9 million that begin expiring in 2027 unless previously utilized. The Company has state research credit carryforwards of $2.7 million of which $0.1 million begin expiring in 2022 unless previously utilized. These federal and state research and development credits are subject to a 20% reserve under FASB ASC 740. The difference between federal and state NOL carryforwards is primarily due to previously expired state NOL carryforwards. Utilization of the NOL and research and development credit carryforwards may be subject to a substantial annual limitation under Sections 382 and 383 of the Internal Revenue Code of 1986 due to ownership change limitations that have occurred previously or that could occur in the future. These ownership changes may limit the amount of NOL and research and development credit carryforwards that can be utilized annually to offset future taxable income and tax, respectively. The Company has not yet completed an evaluation of ownership changes. To the extent an ownership change occurs, the NOL and credit carryforwards and other deferred tax assets may be subject to limitations. A reconciliation of the beginning and ending amount of uncertain tax benefits is as follows (in thousands): Years Ended December 31, 2021 2020 Beginning uncertain tax benefits $ 1,341 $ 935 Current year - increases $ 426 $ 237 Prior year - additions (reductions) $ 142 $ 169 Ending uncertain tax benefits $ 1,909 $ 1,341 Included in the balance of uncertain tax benefits at December 31, 2021 are $1.9 million of tax benefits that, if recognized, would impact the effective tax rate. The Company anticipates that no material amounts of unrecognized tax benefits will be settled within 12 months of the reporting date. The Company's policy is to record estimated interest and penalties related to uncertain tax benefits as income tax expense. As of December 31, 2021 and 2020, the Company had no accrued interest or penalties recorded related to uncertain tax positions. The tax years 2017 through 2021 remain open to examination by major taxing jurisdictions to which the Company is subject, which are primarily in the U.S. The statute of limitations for U.S. net operating losses utilized in future years will remain open beginning in the year of utilization. No additional provision has been made for U.S. income taxes related to undistributed foreign earnings of the Company’s wholly owned Australian subsidiary or for unrecognized deferred tax liabilities for temporary differences related to investments in subsidiaries. As such, earnings are expected to be permanently reinvested, the investments are permanent in duration, or the Company has estimated that no additional tax liability will arise as a result of the distribution of such earnings. A liability could arise if amounts are distributed by the subsidiary or if the subsidiary is ultimately disposed. It is not practical to estimate the additional income taxes, if any, related to permanently reinvested earnings. There are no unremitted earnings as of December 31, 2021.

Stockholders' Equity

Stockholders' Equity	12 Months Ended
	Dec. 31, 2021
Equity [Abstract]
Stockholders' Equity	STOCKHOLDERS’ EQUITY October 2021 ATM Sales Agreement In October 2021, the Company entered into a sales agreement with SVB Leerink LLC to sell shares of its common stock from time to time through an "at-the-market," or ATM, equity offering program under which SVB Leerink acts as the Company's agent. The Company agreed to pay a commission equal to 3% of the gross proceeds of any common stock sold under the agreement, plus certain legal expenses. Shares of the Company's common stock sold under the agreement will be issued pursuant to the Company's shelf registration statement on Form S-3 (File No. 333-254862) and the base prospectus included therein, originally filed with the SEC on March 30, 2021, and declared effective on April 7, 2021, and the prospectus supplement dated October 13, 2021 relating to the offering of up to $50.0 million in shares of the Company's common stock under this sales agreement, and any subsequent prospectus supplement filed with the SEC related to this ATM equity offering program. During 2021, the Company sold approximately 7.1 million shares of common stock under this agreement for gross proceeds of approximately $16.3 million and incurred offering expenses of approximately $537,000. April 2021 ATM Sales Agreement In April 2021, the Company entered into a sales agreement with SVB Leerink to sell shares of its common stock from time to time through an ATM equity offering program under which SVB Leerink acts as the Company's agent. Under the sales agreement, the Company may issue and sell up to $50.0 million of shares of its common stock. The Company agreed to pay a commission equal to 3% of the gross proceeds of any common stock sold under the agreement, plus certain legal expenses. Any shares of the Company's common stock sold under the agreement will be issued pursuant to the Company's shelf registration statement on Form S-3 (File No. 333-254862) and the base prospectus included therein, originally filed with the SEC on March 30, 2021, and declared effective on April 7, 2021, and the prospectus supplement dated April 7, 2021 filed with the SEC on April 8, 2021. During 2021, the Company sold approximately 26.0 million shares of common stock under this agreement for gross proceeds of approximately $46.9 million and incurred offering expenses of approximately $1.6 million. 2018 ATM Sales Agreement In January 2018 the Company entered into a common stock sales agreement with H.C. Wainwright & Co., LLC, or Wainwright, relating to the offering and sale of shares of its common stock from time to time in an ATM equity offering program through Wainwright, acting as sales agent. In March 2021, the Company provided notice to Wainwright to terminate the agreement, and the agreement terminated in April 2021. Under the agreement, Wainwright was entitled to a commission at a fixed commission rate equal to 3% of the gross proceeds per share sold under the agreement. During 2021, the Company sold approximately 3.3 million shares of common stock under this agreement for gross proceeds of approximately $7.7 million and incurred offering expenses of approximately $245,000. During 2020, the Company sold approximately 12.6 million shares of common stock under this agreement for gross proceeds of approximately $15.8 million and incurred offering expenses of approximately $594,000. Equity Line In April 2020, the Company entered into a purchase agreement, or the Purchase Agreement, and a registration rights agreement with Lincoln Park Capital Fund, LLC, or Lincoln Park. Under the terms and subject to the conditions of the Purchase Agreement, the Company had the right, but not the obligation, to sell to Lincoln Park, and Lincoln Park was obligated to purchase up to $15.0 million of the Company’s common stock. The Company incurred legal, accounting, and other fees related to the Purchase Agreement of approximately $374,000. Those costs were amortized and expensed as shares were sold under the Purchase Agreement, and as of December 31, 2021 there were no unamortized costs. During 2021, the Company sold, and Lincoln Park purchased, approximately 4.8 million shares under the Purchase Agreement for gross proceeds to the Company of approximately $7.0 million and recognized offering expenses of approximately $175,000. During 2020, the Company sold, and Lincoln Park purchased, approximately 7.2 million shares under the Purchase Agreement for gross proceeds to the Company of approximately $8.0 million and recognized offering expenses of approximately $236,000. As of December 31, 2021, the Company had sold and Lincoln Park had purchased a total of $15.0 million of the Company's common stock under the Purchase Agreement, and no more shares of common stock may be sold by the Company to Lincoln Park under the Purchase Agreement. Common Stock Warrants In February 2018, the Company closed an underwritten public offering in connection with which the Company issued to the investors in that offering warrants exercisable through February 2023 that initially had an exercise price of $3.00 per share. The warrants include a price-based anti-dilution provision, which provides that, subject to certain limited exceptions, the exercise price of the warrants will be reduced each time the Company issues or sells (or is deemed to issue or sell) securities for a net consideration per share less than the exercise price of those warrants in effect immediately prior to such issuance or sale. In addition, subject to certain exceptions, if the Company issues, sells or enters into any agreement to issue or sell securities at a price which varies or may vary with the market price of the shares of the Company’s common stock, the warrant holders have the right to substitute such variable price for the exercise price of the warrant then in effect. These warrants are exercisable only for cash, unless a registration statement covering the shares issued upon exercise of the warrants is not effective, in which case the warrants may be exercised on a cashless basis. A registration statement covering the shares issued upon exercise of the warrants is currently effective. The Company estimated the fair value of the warrants as of February 15, 2018 to be approximately $3.0 million which was recorded in equity as of the grant date. The Company early adopted ASU 2017-11 as of January 1, 2018 and recorded the fair value of the warrants as equity. In April 2019 and July 2020, in accordance with the price-based anti-dilution provision discussed above, the exercise price of these warrants was automatically reduced to $0.98 per share and to $0.96 per share, respectively, and as a result of the triggering of the anti-dilution provision, $0.8 million and $6,863, respectively, was recorded to additional paid-in capital. During 2021, warrants to purchase an aggregate of 520,985 shares of common stock were exercised for gross proceeds of approximately $0.5 million. During 2020, warrants to purchase an aggregate of 1,825,000 shares of common stock were exercised for gross proceeds of approximately $1.8 million. As of December 31, 2021, the Company had the following warrants outstanding: Shares Underlying Outstanding Warrants Exercise Price Expiration Date 6,500 $ 10.00 04/04/2026 1,374,515 $ 0.96 02/15/2023 1,381,015 Common Stock The authorized capital of the Company consists of 120,000,000 shares of common stock with a par value of $0.0001 and 5,000,000 shares of preferred stock with a par value of $0.01 per share. The issued and outstanding common stock of the Company consisted of 83,944,119 and 41,596,253 shares of common stock as of December 31, 2021 and 2020, respectively. There were no shares of preferred stock outstanding as of December 31, 2021 or 2020. Common Stock Reserved for Future Issuance The following table summarizes common stock reserved for future issuance at December 31, 2021: Common stock reserved for issuance upon exercise of warrants outstanding 1,381,015 Common stock reserved for issuance upon exercise of options outstanding 4,717,602 Common stock reserved for future equity awards (under the Amended 2014 Plan) 201,855 Total 6,300,472

Stock-Based Compensation

Stock-Based Compensation	12 Months Ended
	Dec. 31, 2021
Share-based Payment Arrangement [Abstract]
Stock-based Compensation	STOCK-BASED COMPENSATION 2014 Employee Stock Purchase Plan The Company’s 2014 Employee Stock Purchase Plan, or the ESPP, became effective in April 2014, but no offering period has been initiated thereunder since January 2017 and there was no stock-based compensation related to the ESPP for the years ended December 31, 2021 or December 31, 2020. Amended and Restated 2014 Stock Incentive Plan The Company maintains the Amended and Restated 2014 Stock Incentive Plan, or the Amended 2014 Plan. There were 2,046,885 shares of common stock authorized for issuance under the Amended 2014 Plan when it was approved by the Company's stockholders in July 2018. The number of authorized shares increases annually on the first day of each fiscal year until, and including, the fiscal year ending December 31, 2024 by the least of (i) 2,000,000, (ii) 4% of the number of outstanding shares of common stock on such date, or (iii) an amount determined by the Company’s board of directors. As a result of the foregoing, the number of shares available under the Amended 2014 Plan increased by 1,663,850 to 2,168,366 on January 1, 2021, which increase represented 4% of the number of outstanding shares of common stock on such date. Summary of Stock Option Activity The table below summarizes stock option activity under the Amended 2014 Plan and related information for the years ended December 31, 2021 and 2020. The exercise price of all options granted during the years ended December 31, 2021 and 2020 was equal to the market value of the Company’s common stock on the date of grant. As of December 31, 2021, unamortized stock-based compensation expense of approximately $3.7 million will be amortized over the weighted average period of 2.7 years. As of December 31, 2021, 201,855 shares of common stock were available for future award grants under the Amended 2014 Plan. Number of Shares Weighted- Average Exercise Price Weighted- Average Remaining Contractual Life (Years) Aggregate Intrinsic Value Outstanding at December 31, 2019 (1) 1,889,775 $ 1.21 Granted 906,965 1.06 Exercised (10,149) — Canceled/forfeited — — Expired — — Outstanding at December 31, 2020 2,786,591 $ 1.16 Granted 2,052,075 2.31 Exercised (35,500) 0.92 Canceled/forfeited (85,564) 1.82 Expired — — Outstanding at December 31, 2021 4,717,602 $ 1.65 8.11 $ 2,998,680 Options exercisable at December 31, 2021 2,319,775 $ 1.43 7.49 $ 1,993,377 Options vested and expected to vest at December 31, 2021 4,717,602 $ 1.65 8.11 $ 2,998,680 (1) Includes 10,149 shares subject to options granted under an equity incentive plan assumed in connection with an acquisition. Compensation Expense Total stock-based compensation expense related to stock options granted to employees and directors recognized in the consolidated statements of operations is as follows: Years Ended December 31, 2021 2020 Research and development $ 524,071 $ 225,579 General and administrative 1,075,621 516,452 Total $ 1,599,692 $ 742,031 The assumptions used in the Black-Scholes option-pricing model for stock options granted to employees and to directors in respect of board services during the years ended December 31, 2021 and 2020 is as follows: 2021 2020 Expected life in years 6.0 10.0 Risk-free interest rate 0.67 % 0.82 % Expected volatility 122 % 120 % Forfeiture rate 0.0 % 0.0 % Dividend yield 0.0 % 0.0 % Weighted-average fair value of options granted $ 2.01 $ 1.00

Leased Properties

Leased Properties	12 Months Ended
	Dec. 31, 2021
Leases [Abstract]
Leased Properties	LEASED PROPERTIES The Company's lease for its corporate headquarters (3,169 square feet of office space) commenced on July 1, 2018. In February 2022, the Company entered into an amendment to extend the term of the lease for two years such that the term now expires on August 31, 2024. (See Note 14, Subsequent Events.) MBI, a wholly owned subsidiary the Company acquired in November 2019, leases general office space in Lexington, Massachusetts and warehouse space in Billerica, Massachusetts. The Lexington lease commenced on July 1, 2013. In February 2022, the Company entered into an amendment to extend the term of the lease for three years such that the term now expires on December 31, 2025. (See Note 14, Subsequent Events.) The Billerica lease commenced on October 1, 2016 and terminates on March 31, 2022. Under the terms of each lease, the lessee pays base annual rent (subject to an annual fixed percentage increase), plus property taxes, and other normal and necessary expenses, such as utilities, repairs, and maintenance. The Company evaluates renewal options at lease inception and on an ongoing basis and includes renewal options that it is reasonably certain to exercise in its expected lease terms when classifying leases and measuring lease liabilities. The leases do not require material variable lease payments, residual value guarantees or restrictive covenants. The leases do not provide an implicit rate, and therefore the Company uses its incremental borrowing rate as the discount rate when measuring operating lease liabilities. The incremental borrowing rate represents an estimate of the interest rate the Company would incur at lease commencement to borrow an amount equal to the lease payments on a collateralized basis over the term of the lease within a particular currency environment. The Company uses an incremental borrowing rate of 7% for operating leases that commenced prior to January 2019 (and all of the Company's operating leases commenced prior to such date). The depreciable lives of operating leases and leasehold improvements are limited by the expected lease term. At December 31, 2021, the Company reported operating lease right of use assets Total operating lease costs were approximately $561,000 and $435,000 for the years ended December 31, 2021 and 2020, respectively. Operating lease costs consist of monthly lease payments expense, common area maintenance and other repair and maintenance costs and are included in general and administrative expenses in the consolidated statements of operations. Cash paid for amounts included in the measurement of operating lease liabilities was approximately $462,000 for the year ended December 31, 2021, and these amounts are included in operating activities in the consolidated statements of cash flows. Further, at December 31, 2021, operating leases had a weighted average remaining lease term of 0.56 years. At December 31, 2021, future minimum lease payments under the Company's operating leases are as follows: Year ending December 31, 2022 $ 277,700 Total future minimum lease payments 277,700 Less: accreted interest 7,200 Total operating lease liabilities $ 270,500

Commitments and Contingencies

Commitments and Contingencies	12 Months Ended
	Dec. 31, 2021
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies	COMMITMENTS AND CONTINGENCIES CRADA with NICHD for the Pivotal Phase 3 Study of Ovaprene In July 2021, the Company entered into a Cooperative Research and Development Agreement, or the CRADA, with the U.S. Department of Health and Human Services, as represented by the Eunice Kennedy Shriver National Institute of Child Health and Human Development, or NICHD, for the conduct of a multi-center, non-comparative, pivotal Phase 3 clinical study of Ovaprene, or the Ovaprene Phase 3. The Ovaprene Phase 3 will be conducted within NICHD’s Contraceptive Clinical Trial Network with NICHD contractor Health Decisions Inc., a contract research organization, providing clinical coordination and data collection and management services for the Ovaprene Phase 3. The Company and NICHD will each provide medical oversight and final data review and analysis for the Ovaprene Phase 3 and will work together to prepare the final report of the results of the Ovaprene Phase 3. The Company is responsible for providing clinical supplies of Ovaprene, coordinating interactions with the FDA, preparing and submitting supportive regulatory documentation, and providing a total of $5.5 million in payments to NICHD to be applied toward the costs of conducting the Ovaprene Phase 3. NICHD will be responsible for the other costs related to the conduct of the Ovaprene Phase 3. In 2021, in accordance with the payment schedule under the CRADA, the Company made aggregate payments of $1.5 million of the total amount payable to NICHD. The Company's remaining obligation under the CRADA at December 31, 2021 is $4.0 million. Contingent Consideration As discussed in Note 3 above, in connection with the acquisition of MBI, the Company agreed to pay additional consideration of up to $46.5 million to the former stockholders of MBI contingent upon the achievement of specified funding, product development and regulatory milestones. In June 2021, a total of $1.25 million of that potential additional consideration became payable upon the achievement of certain of the funding and product development milestone events, $1.0 million of which was previously recorded as contingent consideration on the Company's consolidated balance sheets upon the completion of the MBI acquisition and $250,000 of which was expensed in 2021. In July 2021, the Company’s board of directors elected to make these milestone payments in shares of the Company’s common stock, to the extent permissible under the terms of the merger agreement with MBI, and, in September 2021, the Company issued approximately 700,000 shares of its common stock to former stockholders of MBI and paid $75,000 to the stockholders’ representative in accordance with the terms of the merger agreement in satisfaction of the $1.25 million in milestone payments associated with milestones achieved in June 2021. Note Payable In April 2020, due to the economic uncertainty resulting from the impact of the COVID-19 pandemic on the Company's operations and to support its ongoing operations and retain all employees, the Company applied for and received a loan of $367,285 under the Paycheck Protection Program, or the PPP, of the Coronavirus Aid, Relief, and Economic Security Act, or CARES Act, administered by the U.S. Small Business Administration, or the SBA. Under the terms of the PPP, the loan proceeds could be used for "qualifying expenses" and, subject to specified limitations in the CARES Act and under the terms of the PPP, certain amounts of the loan, including accrued interest, may be forgiven if used for qualifying expenses. In January 2021, the Company was notified that the principal balance of its PPP loan and all accrued interest, which together totaled $369,887, were fully forgiven by the SBA. The Company recorded a gain on extinguishment of note payable and debt forgiveness income with respect to such loan forgiveness in the first quarter of 2021. Legal Proceedings From time to time, the Company may be involved in various claims arising in the normal course of business. Management is not aware of any material claims, disputes or unsettled matters that would have a material adverse effect on the Company’s results of operations, liquidity or financial position that the Company has not adequately provided for in the accompanying consolidated financial statements. Employment Agreements Certain executive officers of the Company are entitled to payments if their employment is terminated by the Company without cause, if they resign for good reason, if their employment agreements are not renewed, or if their employment is terminated by the Company without cause or if they resign for good reason, in each case, within three months prior to or 12 months following a change in control of the Company. Upon termination by the Company without cause, if they resign for good reason, if their employment agreements are not renewed, such executives are entitled to receive a payment of an amount equal to either nine nine twelve twelve Employee Benefit – 401(k) Plan The Company has a 401(k) retirement plan, or the 401(k) Plan, covering all qualified employees. The 401(k) Plan allows each participant to contribute a portion of their base wages up to an amount not to exceed an annual statutory maximum. The 401(k) Plan includes a Safe Harbor Plan that provides a Company match up to 4% of salary. The Company made matching contributions of approximately $160,000 and $136,000 during the years ended December 31, 2021 and 2020, respectively.

Grant Awards

Grant Awards	12 Months Ended
	Dec. 31, 2021
Receivables [Abstract]
Grant Awards	GRANT AWARDS NICHD Non-Dilutive Grant Funding The Company has received notices of awards and non-dilutive grant funding from NICHD to support the development of Ovaprene, DARE-PTB1 and DARE-LARC1. NICHD issues notices of awards to the Company for a specified amount, and the Company must incur and track expenses eligible for reimbursement under the award and submit a detailed accounting of such expenses to receive payment. If the Company receives payments under the award, the amounts of such payments are recognized in the statements of operations as a reduction to research and development activities as the related costs are incurred to meet those obligations over the period. Ovaprene Since 2018, the Company has received approximately $1.9 million of non-dilutive grant funding from NICHD for clinical development efforts supporting Ovaprene. The final notice of award the Company received was for approximately $731,000 in April 2020, all of which has been funded to date. The Company recorded credits to research and development expense for costs related to the NICHD award of an immaterial amount the year ended December 31, 2021, and approximately $595,000 for the year ended December 31, 2020. DARE-PTB1 In August 2020, the Company received a notice of award of a grant from NICHD to support the development of DARE-PTB1. The award in the amount of $300,000 was for what is referred to as the "Phase I" segment of the project outlined in the Company's grant application, which is ongoing. Additional potential funding of up to approximately $2.0 million for the "Phase II" segment of the project outlined in the grant application is contingent upon satisfying specified requirements, including, assessment of the results of the Phase I segment, determination that the Phase I goals were achieved, and availability of funds. There is no guarantee the Company will receive any Phase II award. The Company recorded credits to research and development expense for costs related to the NICHD award of approximately $65,000 for the year ended December 31, 2021. At December 31, 2021, the Company recorded a receivable of approximately $9,600 for expenses incurred through such date that it believes are eligible for reimbursement under the grant. DARE-LARC1 In September 2021, the Company received a notice of award of a grant from NICHD to support the development of DARE-LARC1. The award in the amount of approximately $300,000 is to be used to explore device insertion and removal in nonclinical studies, which is to occur during the period of September 2021 through August 2022. The Company recorded credits to research and development expense of approximately $7,400 for costs related to the NICHD award during the year ended December 31, 2021. At December 31, 2021, the Company recorded a receivable of approximately $7,400 for expenses incurred through such date that it believes is eligible for reimbursement under the grant. DARE-LARC1 Non-Dilutive Grant Funding MBI Grant Agreement The Company's wholly-owned subsidiary, MBI, was awarded $5.4 million to support the development of DARE-LARC1 under a grant agreement with the Bill & Melinda Gates Foundation, or the Foundation. The funding period under this agreement ended June 30, 2021. Expenses eligible for funding were incurred, tracked and reported to the Foundation. MBI received payments under this agreement of approximately $2.5 million in 2020. At December 31, 2021, all payments under this agreement associated with research and development expenses for DARE-LARC1 had been incurred and reported to the Foundation and no future funding will be received under this agreement. 2021 DARE-LARC1 Grant Agreement In June 2021, the Company entered into an agreement with the Foundation, or the 2021 DARE-LARC1 Grant Agreement, under which the Company was awarded up to $48.95 million to support the development of DARE-LARC1. The 2021 DARE-LARC1 Grant Agreement will support technology development and preclinical activities over the period of June 30, 2021 to November 1, 2026, to advance DARE-LARC1 in nonclinical proof of principle studies. The Company received an initial payment of $11.45 million in July 2021. Additional payments are contingent upon the DARE-LARC1 program’s achievement of specified development and reporting milestones. At December 31, 2021, approximately $10.5 million of deferred grant funding liability under this agreement was recorded in the Company's consolidated balance sheet.

Subsequent Events

Subsequent Events	12 Months Ended
	Dec. 31, 2021
Subsequent Events [Abstract]
Subsequent Events	SUBSEQUENT EVENTS Exclusive License Agreement with Organon to Commercialize XACIATO On March 31, 2022, the Company entered into an exclusive license agreement with Organon pursuant to which Organon will obtain exclusive worldwide rights to develop, manufacture and commercialize XACIATO and other future intravaginal or urological products for human use formulated with clindamycin that rely on intellectual property controlled by the Company. Under the agreement, the Company will receive a $10.0 million non-refundable and non-creditable payment following the effective date of the agreement and will be entitled to receive tiered double-digit royalties based on net sales and up to $182.5 million in milestone payments as follows: $2.5 million following the first commercial sale of a licensed product in the United States; and up to $180.0 million in tiered commercial sales milestones and regulatory milestones. Royalty payments will be subject to customary reductions and offsets. The royalty period for each licensed product will continue on a country-by-country basis from the first commercial sale of the licensed product in the country until the expiration of the later of (i) the date that no valid patent claim would be infringed in the absence of the license granted under the agreement by the sale of the licensed product in the country, (ii) 10 years after the end of the month in which the first commercial sale of the licensed product in the country occurred, and (iii) the expiration of regulatory market exclusivity for the licensed product in that country. Under the agreement, the Company will be responsible for regulatory interactions and for providing product supply on an interim basis until Organon assumes such responsibilities. Until such time, Organon will purchase all of its product requirements of XACIATO from the Company at a transfer price equal to the Company's manufacturing costs plus a single-digit percentage markup. The effective date of the agreement will occur following the satisfaction of closing conditions that include receipt of all applicable approvals, or the expiration or termination of all applicable waiting periods, required under applicable antitrust laws, including the Hart-Scott-Rodino Antitrust Improvements Act of 1976, as amended. Unless terminated earlier, the agreement will expire on a product-by-product and country-by-country basis upon expiration of the applicable royalty period for each licensed product. In addition to customary termination rights for both parties, following the first anniversary of the effective date of the agreement, Organon may terminate the agreement in its entirety or on a country-by-country basis at any time in Organon's sole discretion on 120 days' advance written notice. The agreement includes customary representations and warranties, covenants and indemnification obligations of each party. In addition, the terms of the agreement provide Organon exclusive worldwide rights of first negotiation for specified potential future products of the Company. Leased Properties On February 4, 2022, the Company entered into an amendment to extend the term of the lease for its corporate headquarters in San Diego, California for two years. The extended term begins August 1, 2022 and expires August 31, 2024. On February 14, 2022, the Company entered into an amendment to extend the term of the lease for its office space in Lexington, Massachusetts for three years. The extended term begins October 1, 2022 and expires December 31, 2025.

Basis of Presentation and Sum_2

Basis of Presentation and Summary of Significant Accounting Policies (Policies)	12 Months Ended
	Dec. 31, 2021
Accounting Policies [Abstract]
Basis of Presentation	Basis of presentation The consolidated financial statements have been prepared in conformity with accounting principles generally accepted in the United States, or U.S. GAAP, as defined by the Financial Accounting Standards Board, or FASB.
Going Concern	Going Concern The Company prepared its consolidated financial statements on a going concern basis, which assumes that the Company will realize its assets and satisfy its liabilities in the normal course of business. The Company has a history of losses from operations, expects negative cash flows from its operations to continue for the foreseeable future, and expects that its net losses will continue for at least the next several years as it develops and seeks to bring to market its existing product candidates and potentially acquire, license and develop additional product candidates. These circumstances raise substantial doubt about the Company's ability to continue as a going concern. The accompanying financial statements do not include any adjustments to reflect the possible future effects on the recoverability and reclassification of assets or the amounts and classifications of liabilities that may result from the outcome of the uncertainty of the Company's ability to continue as a going concern. At December 31, 2021, the Company had an accumulated deficit of approximately $110.1 million, cash and cash equivalents of approximately $51.7 million, and working capital of approximately $39.2 million. For the year ended December 31, 2021, the Company incurred a net loss of $38.7 million and had negative cash flow from operations of approximately $28.8 million. The Company expects its primary uses of capital to be staff-related expenses, the cost of clinical trials and regulatory activities related to its product candidates, costs associated with contract manufacturing services and third-party clinical research and development services, payments due to third-party licensors upon the occurrence of commercial milestones for XACIATO and development milestones for the Company’s product candidates, legal expenses, other regulatory expenses and general overhead costs. The Company’s future funding requirements could also include significant costs related to commercialization of its product candidates, if approved, depending on the type, nature and terms of commercial collaborations the Company establishes. The Company expects its expenses, and in particular its research and development expenses, to increase significantly in 2022 compared to 2021 as the Company continues to develop and seek to bring to market its product candidates, with a focus on its product candidates that have reached the human clinical study development phase. To date, the Company has one FDA-approved product, XACIATO, which has not yet been commercially launched. The Company has not obtained any other regulatory approvals for any of its product candidates, commercialized any of its product candidates or generated any revenue. Commercial launch of XACIATO in the U.S. by the Company's licensee, Organon, is expected in the fourth quarter of 2022. Under the terms of its license agreement with Organon, the Company will receive a $10.0 million non-refundable and non-creditable payment following the effective date of the license agreement and will be entitled to receive tiered double-digit royalties based on net sales and up to $182.5 million in milestone payments as follows: $2.5 million following the first commercial sale of a licensed product in the United States; and up to $180.0 million in tiered commercial sales milestones and regulatory milestones. The Company has devoted significant resources to building its portfolio of product candidates and to research and development activities related to these product candidates. The Company or its licensees must obtain regulatory approvals to market and sell any of its product candidates in the future and to market and sell XACIATO anywhere outside the U.S. The Company will need to generate sufficient safety and efficacy data on each of its product candidates in order to apply for regulatory approvals and for such assets to be attractive assets to potential strategic collaborators to license or to acquire, and for the Company to generate revenue through license fees, royalties on net revenues and commercial milestones related to such product candidates. Based on the Company's current operating plan estimates, the Company does not have sufficient cash to satisfy its working capital needs and other liquidity requirements over at least the next 12 months from the date of issuance of the accompanying financial statements. The Company will need to raise substantial additional capital to continue to fund its operations and to successfully execute its current strategy. The Company will continue to seek to raise capital through the sale of shares of its common stock under its ATM sales agreements, however, when the Company can effect such sales and the amount of shares the Company can sell depends on a variety of factors to be determined by the Company from time to time, including, among others, market conditions, the trading price of its common stock and its determination as to the appropriate sources of funding for its operations. For the foreseeable future, the Company will evaluate and may pursue a variety of capital raising options on an on-going basis, including equity and debt financings, government or other grant funding, collaborations and strategic alliances or other similar types of arrangements, to cover its operating expenses, and the cost of any license or other acquisition of new product candidates or technologies. The amount and timing of the Company's capital needs have been and will continue to depend highly on many factors, including the product development programs the Company chooses to pursue, the pace and results of its clinical development efforts, and the nature and extent of expansion of its product candidate portfolio, if any. If the Company raises capital through collaborations, strategic alliances or other similar types of arrangements, it may have to relinquish, on terms that are not favorable to the Company, rights to some of its technologies or product candidates the Company would otherwise seek to develop or commercialize. There can be no assurance that capital will be available when needed or that, if available, it will be obtained on terms favorable to the Company and its stockholders. In addition, equity or debt financings may have a dilutive effect on the holdings of the Company's existing stockholders, and debt financings may subject the Company to restrictive covenants, operational restrictions and security interests in its assets. If the Company cannot raise capital when needed, on favorable terms or at all, the Company will not be able to continue development of its product candidates, will need to reevaluate its planned operations and may need to delay, scale back or eliminate some or all of its development programs, reduce expenses, file for bankruptcy, reorganize, merge with another entity, or cease operations. If the Company becomes unable to continue as a going concern, the Company may have to liquidate its assets, and might realize significantly less than the values at which they are carried on its condensed consolidated financial statements, and stockholders may lose all or part of their investment in the Company's common stock. The Company's condensed consolidated financial statements do not include any adjustments that might result from the outcome of this uncertainty.
Principles of Consolidation	Principles of Consolidation The consolidated financial statements of the Company are stated in U.S. dollars. These consolidated financial statements include the accounts of the Company and its wholly owned subsidiaries. One wholly owned subsidiary, Daré Bioscience Australia Pty LTD, operates primarily in Australia. The financial statements of the Company’s wholly owned subsidiaries are recorded in their functional currency and translated into the reporting currency. The cumulative effect of changes in exchange rates between the foreign entity’s functional currency and the reporting currency is
Use of Estimates	Use of Estimates The preparation of the consolidated financial statements requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and the disclosure of contingent assets and liabilities at the date of the financial statements, and the reported amounts of revenues and expenses during the reporting period. Significant estimates include the fair value of stock-based compensation. Actual results could differ from those estimates and could materially affect the reported amounts of assets, liabilities and future operating results.
Risks and Uncertainties	Risks and Uncertainties The Company will require approvals from the U.S. Food and Drug Administration, or FDA, or foreign regulatory agencies prior to being able to sell any products. The Company received approval from the FDA for its first product, XACIATO™, in December 2021. There can be no assurance that the Company’s current or future product candidates will receive the necessary approvals. If the Company is denied regulatory approval of its product candidates, or if approval is delayed, it may have a material adverse impact on the Company’s business, results of operations and its financial position. The Company is subject to a number of risks similar to other life science companies, including, but not limited to, risks related to the ability to license product candidates, successfully develop product candidates, successfully commercialize approved products or enter into strategic relationships with third parties who are able to successfully commercialize approved products, raise additional capital, compete with other products, and protect proprietary technology. As a result of these and other factors and the related uncertainties, there can be no assurance of the Company’s future success.
Cash and Cash Equivalents	Cash and Cash EquivalentsThe Company considers cash and all highly liquid investments with an original maturity of three months or less to be cash and cash equivalents. The Company’s wholly owned subsidiary, Dare MB Inc., has a $35,903 letter of credit related to the lease of real property that serves as security for future default of lease payments. The letter of credit is collateralized by cash which is unavailable for withdrawal or for usage for general obligations and is included in cash and cash equivalents on the Company's consolidated balance sheets.
Concentration of Credit Risk	Concentration of Credit Risk The Company maintains cash balances at various financial institutions and such balances commonly exceed the $250,000 amount insured by the Federal Deposit Insurance Corporation. The Company also maintains money market funds at various financial institutions which are not federally insured although are invested primarily in the U.S. The Company has not experienced any losses in such accounts and management believes that the Company does not have significant risk with respect to such cash and cash equivalents.
Fair Value of Financial Instruments	Fair Value of Financial Instruments GAAP defines fair value as the price that would be received for an asset or the exit price that would be paid to transfer a liability in the principal or most advantageous market in an orderly transaction between market participants on the measurement date, and also establishes a fair value hierarchy which requires an entity to maximize the use of observable inputs, where available. The three-level hierarchy of valuation techniques established to measure fair value is defined as follows: • Level 1: inputs are unadjusted quoted prices in active markets for identical assets or liabilities. • Level 2: inputs other than Level 1 that are observable, either directly or indirectly, such as quoted prices in active markets for similar assets and liabilities, quoted prices for identical or similar assets or liabilities in markets that are not active, or other inputs that are observable or can be corroborated by observable market data for substantially the full term of assets or liabilities. • Level 3: unobservable inputs that are supported by little or no market activity and that are significant to the fair value of the assets or liabilities.
Revenue Recognition	Revenue Recognition The Company recognizes revenue in accordance with FASB ASC Topic 606, Revenue from Contracts with Customers , which applies to all contracts with customers, except for contracts that are within the scope of other standards, such as leases, insurance, collaboration arrangements and financial instruments. The Company recognizes revenue when it transfers promised goods or services to customers in an amount that reflects the consideration to which it expects to be entitled in exchange for those goods or services. To determine revenue recognition for contracts with customers, the Company performs the following five steps: (i) identify the contract(s) with a customer; (ii) identify the performance obligations in the contract; (iii) determine the transaction price; (iv) allocate the transaction price to the performance obligations in the contract; and (v) recognize revenue when (or as) the Company satisfies its performance obligations. At contract inception, the Company assesses the goods or services agreed upon within each contract and assesses whether each good or service is distinct, and determines those that are performance obligations. The Company then recognizes as revenue the amount of the transaction price that is allocated to the respective performance obligation when (or as) the performance obligation is satisfied. In a contract with multiple performance obligations, the Company develops estimates and assumptions that require judgment to determine the underlying stand-alone selling price for each performance obligation, which determines how the transaction price is allocated among the performance obligations. The estimation of the stand-alone selling price(s) may include estimates regarding forecasted revenues or costs, development timelines, discount rates, and probabilities of technical and regulatory success. The Company evaluates each performance obligation to determine if it can be satisfied at a point in time or over time. Any change made to estimated progress towards completion of a performance obligation and, therefore, revenue recognized will be recorded as a change in estimate. In addition, variable consideration must be evaluated to determine if it is constrained and, therefore, excluded from the transaction price. License Fees. If the license to the Company’s intellectual property is determined to be distinct from the other performance obligations identified in a contract, the Company recognizes revenues from non-refundable, upfront fees allocated to the license when the license is transferred to the customer and the customer is able to use and benefit from the license. For licenses that are bundled with other promises, the Company utilizes judgment to assess the nature of the combined performance obligation to determine whether the combined performance obligation is satisfied over time or at a point in time and, if over time, the appropriate method of measuring progress for purposes of recognizing revenue from non-refundable, upfront fees. The Company evaluates the measure of progress each reporting period and, if necessary, adjusts the measure of performance and related revenue recognition. To date, the Company has not recognized any license fee revenue resulting from any of its collaborative arrangements. Royalties and Commercial Milestones. For arrangements that include sales-based royalties and milestone payments based on the level of sales, and for which the license is deemed to be the predominant item to which the royalties and milestones relate, the Company recognizes revenue at the later of (i) when the related sales occur, or (ii) when the performance obligation to which some or all of the royalty has been allocated has been satisfied (or partially satisfied). To date, the Company has not recognized any royalty revenue or any commercial milestones resulting from any of its collaborative arrangements.
Leases	Leases The Company determines if an arrangement is a lease at inception. Operating leases are included in other non-current assets as right-of-use, or ROU, lease assets, current portion of lease liabilities, and long-term lease liabilities on the Company's consolidated balance sheets.
Segment Reporting	Segment Reporting Operating segments are identified as components of an enterprise about which separate discrete financial information is available for evaluation by the chief operating decision maker, or decision-making group, in making decisions on how to allocate resources and assess performance. Its chief operating decision maker is the chief executive officer. The Company has one operating segment, women’s health.
Research and Development Costs	Research and Development Costs Research and development expenses consist of expenses incurred in performing research and development activities, including compensation and benefits for full-time research and development employees, an allocation of facilities expenses, overhead expenses, manufacturing process-development and scale-up activities, fees paid to clinical and regulatory consultants, clinical trial and related clinical trial manufacturing expenses, fees paid to contract research organizations, or CROs, and investigative sites, transaction expenses incurred in connection with the expansion of the product portfolio through acquisitions and license and option agreements, milestone payments incurred or probable to be incurred for the Company's in-licensing arrangements, payments to universities under the Company’s license agreements and other outside expenses. Research and development costs are expensed as incurred. Nonrefundable advance payments, if any, for goods and services used in research and development are recognized as an expense as the related goods are delivered or services are performed.
Net Loss Per Share	Net Loss Per ShareBasic net loss attributable to common stockholders per share is calculated by dividing the net loss by the weighted average number of shares of common stock outstanding during the period without consideration of common stock equivalents. Since the Company was in a loss position for all periods presented, diluted net loss per share is the same as basic net loss per share for all periods presented as the inclusion of all potential dilutive securities would have been antidilutive.
Stock-Based Compensation	Stock-Based Compensation The Company records compensation expense for all stock-based awards granted based on the fair value of the award at the time of grant. The Company uses the Black-Scholes Pricing Model to determine the fair value of each of the awards which considers factors such as expected term, volatility, risk free interest rate and dividend yield. Due to the limited history of the Company, the simplified method was utilized in order to determine the expected term of the awards. Additionally, the Company considered comparable companies in the industry which have available share price history to calculate the volatility. The Company compared U.S. Treasury Bills in determining the risk-free interest rate appropriate given the expected term. The Company has not established and has no plans to establish, a dividend policy, and the Company has not declared, and has no plans to declare dividends in the foreseeable future and thus no dividend yield was determined necessary in the calculation of fair value.
Income Taxes	Income Taxes The Company accounts for income taxes using the asset and liability method in accordance with FASB ASC 740, Income Taxes . Under this method deferred income taxes are provided to reflect the tax consequences in future years of differences between the tax basis of assets and liabilities and their financial reporting amounts based on enacted tax laws and statutory tax rates applicable to the periods in which the differences are expected to affect taxable income. Valuation allowances are established when necessary to reduce deferred tax assets to the amount expected to be realized. The Company follows the two-step approach to recognizing and measuring uncertain tax positions. The first step is to evaluate the tax position for recognition by determining if the weight of available evidence indicates it is more likely than not, that the position will be sustained on audit, including resolution of related appeals or litigation processes, if any. The second step is to measure the tax benefit as the largest amount, which is more than 50% likely of being realized upon ultimate settlement. The Company considers many factors when evaluating and estimating the Company's tax positions and tax benefits, which may require periodic adjustments. At December 31, 2021, the Company did not record any liabilities for uncertain tax positions. During each of 2021 and 2020, the Company recorded no provision for income taxes. Management evaluated the Company’s tax positions and, as of December 31, 2021, the Company had approximately $1.9 million of unrecognized benefits. The tax years 2017 to 2021 remain open to examination by federal and state taxing authorities while the statute of limitations for U.S. net operating losses generated remain open beginning in the year of utilization.
Indemnification Obligations	Indemnification Obligations As permitted under Delaware law, the Company has entered into indemnification agreements with its officers and directors that provide that the Company will indemnify its directors and officers for certain expenses, including attorneys’ fees, judgments, fines and settlement amounts incurred by such director or officer in any action or proceeding arising out of their service as a director and/or officer. The term of the indemnification is for the officer’s or director’s lifetime. During the year ended December 31, 2021, the Company did not experience any losses related to those indemnification obligations. The Company does not expect significant claims related to these indemnification obligations, and consequently, has concluded the fair value of the obligations is not material. Accordingly, as of December 31, 2021 and 2020, no amounts have been accrued related to such indemnification provisions.

Basis of Presentation and Sum_3

Basis of Presentation and Summary of Significant Accounting Policies (Tables)	12 Months Ended
	Dec. 31, 2021
Accounting Policies [Abstract]
Schedule of Financial Assets and Liabilities Remeasured on a Recurring Basis	The following tables present the classification within the fair value hierarchy of financial assets and liabilities that are remeasured on a recurring basis as of December 31, 2021 and December 31, 2020. There were no financial assets or liabilities that were remeasured using a quoted price in active markets for identical assets (Level 2) as of December 31, 2021 . Fair Value Measurements Level 1 Level 2 Level 3 Total Balance at December 31, 2021 Current assets: Cash equivalents (1) $ 49,666,064 $ — $ — $ 49,666,064 Balance at December 31, 2020 Current assets: Cash equivalents (1) $ 2,823,099 $ — $ — $ 2,823,099 Other non-current liabilities: Current portion of contingent consideration (2) $ — $ — $ 1,000,000 $ 1,000,000 (1) Represents cash held in money market funds. (2) Represented t he estimated fair value of the contingent consideration payable by the Company related to an acquisition completed in November 2019, and which was paid in September 2021, as described in Note 3. The following table presents a reconciliation of contingent consideration, which was measured at fair value on a recurring basis using significant unobservable inputs (Level 3): Year Ended December 31, 2021 2020 Balance at beginning of period $ 1,000,000 $ 1,000,000 Satisfaction of contingent consideration (1) (1,000,000) — Balance at end of period $ — $ 1,000,000 (1) In June 2021, the contingent consideration payable by the Company related to an acquisition completed in November 2019 became due. In September 2021, the Company issued approximately 700,000 shares of its common stock in satisfaction of the milestone payments associated with milestones achieved, as described in Note 3.

Prepaid Expenses (Tables)

Prepaid Expenses (Tables)	12 Months Ended
	Dec. 31, 2021
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure	Prepaid expenses consisted of the following: As of December 31, 2021 2020 Prepaid clinical expense $ 1,728,421 $ 1,288,341 Prepaid insurance expense 552,354 227,298 Prepaid legal and professional expenses 195,837 338,638 Total prepaid expenses $ 2,476,612 $ 1,854,277

Other Non-Current Assets (Table

Other Non-Current Assets (Tables)	12 Months Ended
	Dec. 31, 2021
Other Assets, Noncurrent Disclosure [Abstract]
Schedule of Other Non-Current Assets	Other non-current assets consisted of the following: As of December 31, 2021 2020 Prepaid insurance, long-term portion $ 87,891 $ 246,016 Deferred financing costs 143,002 — Deposits 37,554 43,304 Operating lease assets 216,673 239,550 Total other non-current assets $ 485,120 $ 528,870

Accrued Expenses (Tables)

Accrued Expenses (Tables)	12 Months Ended
	Dec. 31, 2021
Payables and Accruals [Abstract]
Schedule of Accounts Payable and Accrued Expenses	Accrued expenses consisted of the following: As of December 31, 2021 2020 Accrued compensation and benefits expenses $ 1,533,475 $ 1,157,074 Accrued legal and professional expenses 293,688 297,395 Accrued license expense 66,667 66,667 Accrued clinical and related expenses 1,242,414 1,838,582 Total accrued expenses $ 3,136,244 $ 3,359,718

Income Taxes (Tables)

Income Taxes (Tables)	12 Months Ended
	Dec. 31, 2021
Income Tax Disclosure [Abstract]
Summary of Components of Loss from Continuing Operations Before Provision for Income Taxes	The components of loss from continuing operations before provision for income taxes consists of the following (in thousands): Years Ended December 31, 2021 2020 Domestic $ 37,083 $ 27,249 Foreign 1,613 152 Loss before taxes $ 38,696 $ 27,401
Difference Between Provision for Income Taxes (Benefit) and the Amount Computed by Applying U.S. Federal Income Tax Rate	The difference between the provision for income taxes (benefit) and the amount computed by applying the U.S. federal income tax rate for the years ended December 31, 2021 and 2020 are as follows: Years Ended December 31, 2021 2020 Federal statutory rate 21.0 % 21.0 % State income tax, net of federal benefit 9.64 % 8.86 % Permanent differences 0.19 % — % Research and development credit 2.70 % 1.80 % Stock compensation (0.41) % (0.34) % Other 0.25 % (0.4) % Change in valuation allowance (33.38) % (30.93) % Effective income tax rate (0.01) % (0.01) %
Summary of Major Components of Company's Deferred Tax Assets	The major components of the Company’s deferred tax assets as of December 31, 2021 and 2020 are shown below (in thousands). 2021 2020 Net operating loss carryforwards $ 81,817 $ 68,437 Research and development credit carryforwards 7,186 4,903 Capitalized research and development costs 7,417 9,398 Other 801 376 Stock compensation 2,540 2,183 Total deferred tax assets 99,761 85,297 Valuation allowance (99,761) (85,297) Net deferred tax assets $ — $ —
Schedule of Reconciliation of the Beginning and Ending Amount of Uncertain Tax Benefits	A reconciliation of the beginning and ending amount of uncertain tax benefits is as follows (in thousands): Years Ended December 31, 2021 2020 Beginning uncertain tax benefits $ 1,341 $ 935 Current year - increases $ 426 $ 237 Prior year - additions (reductions) $ 142 $ 169 Ending uncertain tax benefits $ 1,909 $ 1,341

Stockholders' Equity (Tables)

Stockholders' Equity (Tables)	12 Months Ended
	Dec. 31, 2021
Equity [Abstract]
Schedule of Common Stock Outstanding Warrant to Purchase Shares	As of December 31, 2021, the Company had the following warrants outstanding: Shares Underlying Outstanding Warrants Exercise Price Expiration Date 6,500 $ 10.00 04/04/2026 1,374,515 $ 0.96 02/15/2023 1,381,015
Summary of Common Stock Reserved for Future Issuance	The following table summarizes common stock reserved for future issuance at December 31, 2021: Common stock reserved for issuance upon exercise of warrants outstanding 1,381,015 Common stock reserved for issuance upon exercise of options outstanding 4,717,602 Common stock reserved for future equity awards (under the Amended 2014 Plan) 201,855 Total 6,300,472

Stock-based Compensation (Table

Stock-based Compensation (Tables)	12 Months Ended
	Dec. 31, 2021
Share-based Payment Arrangement [Abstract]
Summary of Stock Option Activity for 2015 Plan and Current Plan and Related Information	The table below summarizes stock option activity under the Amended 2014 Plan and related information for the years ended December 31, 2021 and 2020. The exercise price of all options granted during the years ended December 31, 2021 and 2020 was equal to the market value of the Company’s common stock on the date of grant. As of December 31, 2021, unamortized stock-based compensation expense of approximately $3.7 million will be amortized over the weighted average period of 2.7 years. As of December 31, 2021, 201,855 shares of common stock were available for future award grants under the Amended 2014 Plan. Number of Shares Weighted- Average Exercise Price Weighted- Average Remaining Contractual Life (Years) Aggregate Intrinsic Value Outstanding at December 31, 2019 (1) 1,889,775 $ 1.21 Granted 906,965 1.06 Exercised (10,149) — Canceled/forfeited — — Expired — — Outstanding at December 31, 2020 2,786,591 $ 1.16 Granted 2,052,075 2.31 Exercised (35,500) 0.92 Canceled/forfeited (85,564) 1.82 Expired — — Outstanding at December 31, 2021 4,717,602 $ 1.65 8.11 $ 2,998,680 Options exercisable at December 31, 2021 2,319,775 $ 1.43 7.49 $ 1,993,377 Options vested and expected to vest at December 31, 2021 4,717,602 $ 1.65 8.11 $ 2,998,680 (1) Includes 10,149 shares subject to options granted under an equity incentive plan assumed in connection with an acquisition.
Schedule of Stock-Based Compensation Expense	Total stock-based compensation expense related to stock options granted to employees and directors recognized in the consolidated statements of operations is as follows: Years Ended December 31, 2021 2020 Research and development $ 524,071 $ 225,579 General and administrative 1,075,621 516,452 Total $ 1,599,692 $ 742,031
Summary of Assumptions Used in Black-Scholes Option-Pricing Model for Stock Options Granted to Employees, and Non-Employee Directors	The assumptions used in the Black-Scholes option-pricing model for stock options granted to employees and to directors in respect of board services during the years ended December 31, 2021 and 2020 is as follows: 2021 2020 Expected life in years 6.0 10.0 Risk-free interest rate 0.67 % 0.82 % Expected volatility 122 % 120 % Forfeiture rate 0.0 % 0.0 % Dividend yield 0.0 % 0.0 % Weighted-average fair value of options granted $ 2.01 $ 1.00

Leased Properties (Tables)

Leased Properties (Tables)	12 Months Ended
	Dec. 31, 2021
Leases [Abstract]
Future Minimum Lease Payment	At December 31, 2021, future minimum lease payments under the Company's operating leases are as follows: Year ending December 31, 2022 $ 277,700 Total future minimum lease payments 277,700 Less: accreted interest 7,200 Total operating lease liabilities $ 270,500

Organization and Description _2

Organization and Description of Business (Details)	12 Months Ended
	Dec. 31, 2021segment
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of operating segments	1

Basis of Presentation and Sum_4

Basis of Presentation and Summary of Significant Accounting Policies - Additional Information (Detail)	Jan. 10, 2020USD ($)	Jan. 31, 2021USD ($)	Jan. 31, 2020USD ($)	Dec. 31, 2021USD ($)segmentshares	Dec. 31, 2020USD ($)shares	Jan. 01, 2021shares	Dec. 31, 2019USD ($)shares	Jul. 31, 2018shares
Significant Accounting Policies [Line Items]
Accumulated deficit				$ (110,126,902)	$ (71,430,797)
Working capital increase				39,200,000
Net loss				38,696,105	27,400,743
Cash flow from operations				28,800,000
Milestone payment paid in common stock				$ 250,000	0
Period of insufficient cash and liquidity requirements				12 months
Grant funding recognized during period				$ 2,500,000	3,700,000
Letter of credit related to lease of real property				$ 35,903
Number of operating segments | segment				1
Common stock reserved for issuance (in shares) | shares				6,300,472
Income tax provision				$ 0	0
Unrecognized tax benefits				1,909,000	1,341,000		$ 935,000
Accrued indemnification P\provisions				0	0
Organon
Significant Accounting Policies [Line Items]
Milestone payment paid in common stock				182,500,000
Upfront license fee paid				10,000,000
First commercial sale amount				2,500,000
Sales based milestones amount				180,000,000
Bayer Healthcare License Agreement
Significant Accounting Policies [Line Items]
Milestone payment paid in common stock	$ 310,000,000
Upfront license fee paid		$ 1,000,000		1,000,000	$ 1,000,000
Revenue from grant for notice of awards			$ 20,000,000
Level 1
Significant Accounting Policies [Line Items]
Cash and cash equivalents				51,700,000
Minimum
Significant Accounting Policies [Line Items]
Cash balance of financial institutions insured by federal deposits insurance corporation				$ 250,000
Stock Options
Significant Accounting Policies [Line Items]
Stock options outstanding (in shares) | shares								2,000,000
Common stock reserved for issuance (in shares) | shares						2,168,366
Exercise of Warrants Outstanding
Significant Accounting Policies [Line Items]
Common stock reserved for issuance (in shares) | shares				1,381,015	1,908,643
Amended And Restated Two Thousand Fourteen Stock Incentive Plan | Stock Options
Significant Accounting Policies [Line Items]
Stock options outstanding (in shares) | shares				4,717,602	2,786,591		1,889,775
Common stock reserved for issuance (in shares) | shares				201,855

Basis of Presentation and Sum_5

Basis of Presentation and Summary of Significant Accounting Policies - Financial Assets and Liabilities Remeasured on a Recurring Basis Level - 2 (Details) - Fair Value, Measurements, Recurring - USD ($)	Dec. 31, 2021	Dec. 31, 2020
Significant Accounting Policies [Line Items]
Cash equivalents	$ 49,666,064	$ 2,823,099
Current portion of contingent consideration		1,000,000
Level 1
Significant Accounting Policies [Line Items]
Cash equivalents	49,666,064	2,823,099
Current portion of contingent consideration		0
Level 2
Significant Accounting Policies [Line Items]
Cash equivalents	0	0
Current portion of contingent consideration		0
Level 3
Significant Accounting Policies [Line Items]
Cash equivalents	$ 0	0
Current portion of contingent consideration		$ 1,000,000

Basis of Presentation and Sum_6

Basis of Presentation and Summary of Significant Accounting Policies - Financial Assets and Liabilities Remeasured on a Recurring Basis Level - 3 (Details) - USD ($) shares in Thousands, $ in Thousands	1 Months Ended	12 Months Ended
	Sep. 30, 2021	Dec. 31, 2021	Dec. 31, 2020
Microchips Biotech, Inc.
Asset Acquisition, Contingent Consideration, Rollforward [Abstract]
Asset acquisition, contingent consideration, beginning balance		$ 50
Asset acquisition, contingent consideration, ending balance		250	$ 50
Equity issued in consideration of acquisition (in shares)	700
Level 3
Asset Acquisition, Contingent Consideration, Rollforward [Abstract]
Asset acquisition, contingent consideration, beginning balance		1,000	1,000
Transfers out of Level 3		(1,000)	0
Asset acquisition, contingent consideration, ending balance		$ 0	$ 1,000

Strategic Agreements - Addition

Strategic Agreements - Additional Information (Details) - USD ($)

Jan. 10, 2020

Nov. 30, 2019

Sep. 30, 2021

Jan. 31, 2021

Jan. 31, 2020

Dec. 31, 2019

Nov. 30, 2019

Apr. 30, 2018

Feb. 28, 2018

Mar. 31, 2017

Sep. 30, 2021

Jun. 30, 2020

Jun. 30, 2021

Dec. 31, 2021

Dec. 31, 2020

Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]

Milestone payment paid in common stock

$ 250,000

$ 0

License fees

100,000

83,333

Accrued expenses

3,136,244

3,359,718

Catalent and MilanaPharm

Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]

Cost, maintenance

$ 100,000

Milestone payments, contingent amount payable, net

$ 900,000

900,000

Microchips Biotech, Inc.

Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]

Contingent consideration

250,000

50,000

Common stock issued to microchips capital stock holders (in shares)

700,000

Business acquisition transaction value

$ 2,400,000

$ 2,400,000

Business combination shares issued (in usd per share)

$ 0.79

$ 0.79

Cash and cash equivalents

$ 6,100,000

$ 6,100,000

Contingent consideration, liability

3,500,000

3,500,000

Current portion of contingent consideration

1,000,000

1,000,000

Registration payment arrangement, maximum potential consideration

$ 1,250,000

Accrued expenses

250,000

Payments to stockholders' representative in business combination

$ 75,000

Payment of additional consideration in business combination

$ 1,250,000

Microchips Biotech, Inc. | Research and development

Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]

Business acquisition transaction value

202,000

$ 202,000

Microchips Biotech, Inc. | Common stock

Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]

Common stock issued to microchips capital stock holders (in shares)

3,000,000

Upon Achievement Of Specified Development And Regulatory Milestones | Microchips Biotech, Inc.

Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]

Contingent consideration

110,000

Milestone payments

46,500,000

Current portion of contingent consideration

$ 55,000,000

$ 55,000,000

ADVA Tec Agreement | Maximum

Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]

Percentage of royalty rate

10.00%

ADVA Tec Agreement | Minimum

Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]

Percentage of royalty rate

1.00%

ADVA Tec Agreement | Upon Achievement Of Specified Development And Regulatory Milestones

Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]

Milestone payments

$ 2,500,000

ADVA Tec Agreement | Upon Achievement Of Specified Development And Regulatory Milestones | Maximum

Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]

Milestone payments

14,600,000

Bayer Healthcare License Agreement

Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]

Upfront license fee paid

$ 1,000,000

$ 1,000,000

1,000,000

Revenue from grant for notice of awards

$ 20,000,000

Milestone payment paid in common stock

$ 310,000,000

Licensing Agreements | Catalent and MilanaPharm

Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]

Milestone payment paid in common stock

$ 1,000,000

Licensing Agreements | ADVA Tec Agreement | Upon Reaching Certain Worldwide Net Sales Milestones

Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]

Milestone payments

$ 20,000,000

Licensing Agreements | MilanaPharm

Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]

License fees

$ 235,000

Royalty term

10 years

License agreement termination periodic discontinued sale of product

60 days

License agreement, termination period due to performance failure

120 days

License agreement, notice period of termination

90 days

Licensing Agreements | Upon Achieving Certain Development Milestones | MilanaPharm | Maximum

Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]

Milestone payment paid in common stock

$ 300,000

Licensing Agreements | Upon Achieving Certain Commercial Milestones | MilanaPharm

Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]

Milestone payment paid in common stock

$ 750,000

100,000

Licensing Agreements | Upon Achieving Certain Commercial Milestones | MilanaPharm | Maximum

Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]

Milestone payment paid in common stock

$ 1,750,000

Licensing Agreements | Upon Achieving Certain Commercial Milestones | MilanaPharm | Upon Achievement Of Specified Development And Regulatory Milestones

Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]

Milestone payment paid in common stock

200,000

Assignment Agreement

Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]

License fees

512,500

Assignment Agreement | Hammock Pharmaceuticals, Inc.

Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]

License fee to be paid upon contingency

$ 137,500

Assignment Agreement | Upon Achieving Certain Clinical And Regulatory Development Milestones | Hammock Pharmaceuticals, Inc. | Maximum

Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]

Milestone payment paid in common stock

$ 1,100,000

License And Collaboration Agreement | SST

Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]

Percentage of rights to inventions by employees under license agreement

50.00%

License And Collaboration Agreement | SST | Maximum

Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]

Milestone payment paid in common stock

$ 18,000,000

License And Collaboration Agreement | SST | Minimum

Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]

Milestone payment paid in common stock

500,000

License And Collaboration Agreement | Upon Achieving Certain Commercial Milestones | SST | Maximum

Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]

Milestone payment paid in common stock

100,000,000

License And Collaboration Agreement | Upon Achieving Certain Commercial Milestones | SST | Minimum

Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]

Milestone payment paid in common stock

$ 10,000,000

Juniper Pharmaceuticals, Inc.

Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]

Upfront license fee paid

$ 250,000

Potential annual license maintenance fee, payments in year one

50,000

Potential annual license maintenance fee payments, thereafter

100,000

Juniper Pharmaceuticals, Inc. | Clinical And Regulatory Milestones

Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]

Maximum potential milestone payments

13,500,000

Juniper Pharmaceuticals, Inc. | Sales Milestones

Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]

Maximum potential milestone payments

$ 30,300,000

Prepaid Expenses (Details)

Prepaid Expenses (Details) - USD ($)	Dec. 31, 2021	Dec. 31, 2020
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Prepaid clinical expense	$ 1,728,421	$ 1,288,341
Prepaid insurance expense	552,354	227,298
Prepaid legal and professional expenses	195,837	338,638
Total prepaid expenses	$ 2,476,612	$ 1,854,277

Other Non-Current Assets - Sche

Other Non-Current Assets - Schedule of Other Non-Current Assets (Detail) - USD ($)	Dec. 31, 2021	Dec. 31, 2020
Other Assets, Noncurrent Disclosure [Abstract]
Prepaid insurance, long-term portion	$ 87,891	$ 246,016
Deferred financing costs	143,002	0
Deposits	37,554	43,304
Operating lease assets	216,673	239,550
Total other non-current assets	$ 485,120	$ 528,870

Accrued Expenses - Schedule of

Accrued Expenses - Schedule of Accounts Payable and Accrued Expenses (Detail) - USD ($)	Dec. 31, 2021	Dec. 31, 2020
Payables and Accruals [Abstract]
Accrued compensation and benefits expenses	$ 1,533,475	$ 1,157,074
Accrued legal and professional expenses	293,688	297,395
Accrued license expense	66,667	66,667
Accrued clinical and related expenses	1,242,414	1,838,582
Total accrued expenses	$ 3,136,244	$ 3,359,718

Vendor Concentration (Details)

Vendor Concentration (Details) - Supplier Concentration Risk - Major Vendor	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Research and development
Concentration Risk [Line Items]
Concentration risk percentage	23.00%	20.00%
Accounts payable and accrued expenses
Concentration Risk [Line Items]
Concentration risk percentage	4.00%	23.00%

Income Taxes - Summary of Compo

Income Taxes - Summary of Components of Loss from Continuing Operations Before Provision for Income Taxes (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Income Tax Disclosure [Abstract]
Domestic	$ 37,083	$ 27,249
Foreign	1,613	152
Loss before taxes	$ 38,696	$ 27,401

Income Taxes - Reconciliation o

Income Taxes - Reconciliation of Provision for Income Taxes (Benefit) and Amount Computed by Applying U.S. Federal Income Tax Rate (Detail)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Income Tax Disclosure [Abstract]
Federal statutory rate	21.00%	21.00%
State income tax, net of federal benefit	9.64%	8.86%
Permanent differences	0.19%	0.00%
Research and development credit	2.70%	1.80%
Stock compensation	(0.41%)	(0.34%)
Other	0.25%	(0.40%)
Change in valuation allowance	(33.38%)	(30.93%)
Effective income tax rate	(0.01%)	(0.01%)

Income Taxes - Summary of Major

Income Taxes - Summary of Major Components of Company's Deferred Tax Assets (Detail) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Income Tax Disclosure [Abstract]
Net operating loss carryforwards	$ 81,817	$ 68,437
Research and development credit carryforwards	7,186	4,903
Capitalized research and development costs	7,417	9,398
Other	801	376
Stock compensation	2,540	2,183
Total deferred tax assets	99,761	85,297
Valuation allowance	(99,761)	(85,297)
Net deferred tax assets	$ 0	$ 0

Income Taxes - Additional Infor

Income Taxes - Additional Information (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Operating Loss Carryforwards [Line Items]
Deferred tax valuation allowance	$ 99,761,000	$ 85,297,000
Deferred tax assets, increase in valuation allowance	14,500,000	22,100,000
Operating loss carryforward, subject to expiration	200,000
Operating loss carryforwards not subject to expiration	117,600,000
Unrecognized tax benefits	1,909,000	1,341,000	$ 935,000
Accrued interest or penalties recorded related to uncertain tax positions	0	$ 0
Unremitted earnings	0
Federal
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	$ 295,200,000
Net operating loss carryforwards expiration year	2022
Federal | Research Credit Carryforwards
Operating Loss Carryforwards [Line Items]
Research credit carryforwards	$ 6,900,000
Research credit carryforwards expiration year	2027
State
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	$ 292,600,000
Net operating loss carryforwards expiration year	2031
State | Research Credit Carryforwards
Operating Loss Carryforwards [Line Items]
Research credit carryforwards	$ 2,700,000
Research credit carryforward, subject To expiration	$ 100,000
Research credit carryforwards expiration year	2022

Income Taxes - Summary of Recon

Income Taxes - Summary of Reconciliation of Beginning and Ending Amount of Uncertain Tax Benefits (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Beginning uncertain tax benefits	$ 1,341	$ 935
Current year - increases	426	237
Prior year - additions	142	169
Ending uncertain tax benefits	$ 1,909	$ 1,341

Stockholders' Equity - Addition

Stockholders' Equity - Additional Information (Detail) - USD ($)	1 Months Ended				12 Months Ended
	Oct. 31, 2021	Jul. 31, 2020	Apr. 30, 2019	Jan. 31, 2018	Dec. 31, 2021	Dec. 31, 2020	Oct. 13, 2021	Apr. 30, 2021	Apr. 30, 2020	Feb. 28, 2018	Feb. 15, 2018
Class of Stock [Line Items]
Aggregate commission rate	3.00%
Common stock, value, issued					$ 8,394	$ 4,159	$ 50,000,000
Issuance of common stock (in shares)					7,100,000
Net proceeds from issuance of common stock					$ 16,300,000
Offering expenses					537,000
Deferred financing costs					0
Issuance of common stock, net of issuance costs					75,314,091	22,977,407
Recognized offering expenses						236,000
Exercise price (in usd per share)										$ 3
Warrant, exercise price, decrease		$ 0.96	$ 0.98
Deemed dividend from trigger of down round provision		$ 6,863	$ 800,000		$ 0	$ 6,863
Warrants exercised (in shares)					520,985	1,825,000
Proceeds from warrant exercises					$ 500,000	$ 1,800,000
Common stock, shares authorized (in shares)					120,000,000	120,000,000
Common stock, par value (in usd per share)					$ 0.0001	$ 0.0001
Preferred stock, shares authorized (in shares)					5,000,000	5,000,000
Preferred stock, par value (in usd per share)					$ 0.01	$ 0.01
Common stock, shares issued (in shares)					83,944,119	41,596,253
Common stock, shares outstanding (in shares)					83,944,119	41,596,253
Preferred stock, shares outstanding (in shares)					0	0
Accounting Standards Update 2017-11
Class of Stock [Line Items]
Estimated fair value of warrants											$ 3,000,000
Lincoln Park
Class of Stock [Line Items]
Purchase obligation									$ 15,000,000
April 2021 ATM Sales Agreement
Class of Stock [Line Items]
Issuance of common stock (in shares)					26,000,000
Net proceeds from issuance of common stock					$ 46,900,000
Offering expenses					$ 1,600,000
2018 ATM Sales Agreement
Class of Stock [Line Items]
Issuance of common stock (in shares)					3,300,000	12,600,000
Net proceeds from issuance of common stock					$ 7,700,000	$ 15,800,000
Offering expenses					$ 245,000	594,000
2018 ATM Sales Agreement | Maximum
Class of Stock [Line Items]
Aggregate commission rate				3.00%
Purchase Agreement
Class of Stock [Line Items]
Issuance of common stock (in shares)					4,800,000
Net proceeds from issuance of common stock						$ 8,000,000
Purchase agreement								$ 374,000
Issuance of common stock, net of issuance costs					$ 7,000,000
Recognized offering expenses					$ 175,000
Purchase Agreement | Lincoln Park
Class of Stock [Line Items]
Regular Repurchase (in shares)						7,200,000

Stockholders' Equity - Schedule

Stockholders' Equity - Schedule of Common Stock Warrants Outstanding (Details) - $ / shares	12 Months Ended
	Dec. 31, 2021	Feb. 28, 2018
Class of Stock [Line Items]
Shares underlying outstanding warrants (in shares)	1,381,015
Exercise price (in usd per share)		$ 3
Warrants Expiring on April 4, 2026
Class of Stock [Line Items]
Shares underlying outstanding warrants (in shares)	6,500
Exercise price (in usd per share)	$ 10
Expiration Date	Apr. 4, 2026
Warrants Expiring On February 15, 2023
Class of Stock [Line Items]
Shares underlying outstanding warrants (in shares)	1,374,515
Exercise price (in usd per share)	$ 0.96
Expiration Date	Feb. 15, 2023

Stockholders' Equity - Summary

Stockholders' Equity - Summary of Common Stock Reserved for Future Issuance (Detail) - shares	Dec. 31, 2021	Jan. 01, 2021	Dec. 31, 2020
Class of Stock [Line Items]
Common stock reserved for issuance (in shares)	6,300,472
Exercise of Warrants Outstanding
Class of Stock [Line Items]
Common stock reserved for issuance (in shares)	1,381,015		1,908,643
Exercise of Options Outstanding
Class of Stock [Line Items]
Common stock reserved for issuance (in shares)	4,717,602
Stock Options
Class of Stock [Line Items]
Common stock reserved for issuance (in shares)		2,168,366
Amended And Restated Two Thousand Fourteen Stock Incentive Plan | Stock Options
Class of Stock [Line Items]
Common stock reserved for issuance (in shares)	201,855

Stock-based compensation - Addi

Stock-based compensation - Additional Information (Detail) - USD ($)	1 Months Ended		12 Months Ended
	Jan. 31, 2021	Jul. 31, 2018	Dec. 31, 2021	Dec. 31, 2020	Jan. 01, 2021	Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense			$ 1,599,692	$ 742,031
Common stock reserved for future issuance (in shares)			6,300,472
Unamortized stock-based compensation expense			$ 3,700,000
Amortized weighted average period			2 years 8 months 12 days
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options to purchase number of outstanding shares of common stock (in shares)		2,046,885
Stock options outstanding (in shares)		2,000,000
Annual percentage increase in outstanding number of common stock		4.00%
Number of authorized shares, period increase	1,663,850
Common stock reserved for future issuance (in shares)					2,168,366
2014 Employee Stock Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense			$ 0	$ 0
Amended And Restated Two Thousand Fourteen Stock Incentive Plan | Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options outstanding (in shares)			4,717,602	2,786,591		1,889,775
Common stock reserved for future issuance (in shares)			201,855
2015 Stock Incentive Plan | Stock Options | Private Dare
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options outstanding (in shares)				10,149

Stock-based Compensation - Summ

Stock-based Compensation - Summary of Stock Option Activity (Detail) - Stock Options - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Amended And Restated Two Thousand Fourteen Stock Incentive Plan
Number of Shares
Outstanding beginning balance (in shares)	2,786,591	1,889,775
Granted (in shares)	2,052,075	906,965
Exercised (in shares)	(35,500)	(10,149)
Forfeited (in shares)	(85,564)	0
Expired (in shares)	0	0
Outstanding ending balance (in shares)	4,717,602	2,786,591
Options exercisable, ending (in shares)	2,319,775
Options vested and expected to vest, ending (in shares)	4,717,602
Weighted- Average Exercise Price
Outstanding beginning balance (in usd per share)	$ 1.16	$ 1.21
Granted (in usd per share)	2.31	1.06
Exercised (in usd per share)	0.92	0
Expired (in usd per share)	0	0
Forfeited (in usd per share)	1.82	0
Outstanding ending balance (in usd per share)	1.65	$ 1.16
Options exercisable, ending (in usd per share)	1.43
Options vested and expected to vest, ending (in usd per share)	$ 1.65
Weighted- Average Remaining Contractual Life (Years)
Outstanding, ending	8 years 1 month 9 days
Options exercisable, ending	7 years 5 months 26 days
Options vested and expected to vest, ending	8 years 1 month 9 days
Aggregate Intrinsic Value
Outstanding, ending	$ 2,998,680
Options exercisable, ending	1,993,377
Options vested and expected to vest, ending	$ 2,998,680
2015 Stock Incentive Plan | Private Dare
Number of Shares
Outstanding beginning balance (in shares)	10,149
Outstanding ending balance (in shares)		10,149

Stock-based Compensation - Comp

Stock-based Compensation - Compensation Expense (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock-based compensation expense	$ 1,599,692	$ 742,031
Research and development
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock-based compensation expense	524,071	225,579
General and administrative
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock-based compensation expense	$ 1,075,621	$ 516,452

Stock-based Compensation - Su_2

Stock-based Compensation - Summary of Assumptions Used in Black-Scholes Option-Pricing Model for Stock Options Granted to Employees and Non-Employee Directors (Detail) - $ / shares	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Share-based Payment Arrangement [Abstract]
Expected life in years	6 years	10 years
Risk-free interest rate	0.67%	0.82%
Expected volatility	122.00%	120.00%
Forfeiture rate	0.00%	0.00%
Dividend yield	0.00%	0.00%
Weighted-average fair value of options granted (in usd per share)	$ 2.01	$ 1

Leased Properties - Additional

Leased Properties - Additional Information (Details)	12 Months Ended
	Dec. 31, 2021USD ($)	Dec. 31, 2020USD ($)	Feb. 28, 2022	Dec. 31, 2019	Jul. 01, 2018ft²
Lessee, Lease, Description [Line Items]
Square feet of office space | ft²					3,169
Operating lease discount rate				7.00%
Operating lease, right-of-use asset, statement of financial position [Extensible List]	Other non-current assets
Current portion of lease liabilities	$ 270,546	$ 347,712
Operating lease cost	561,000	$ 435,000
Operating lease, payments	$ 462,000
Operating lease weighted average remaining lease term	6 months 21 days
Subsequent Event
Lessee, Lease, Description [Line Items]
Renewal term of operating lease			2 years
Subsequent Event | MBI
Lessee, Lease, Description [Line Items]
Renewal term of operating lease			3 years
Other Current Assets
Lessee, Lease, Description [Line Items]
Right-of-use asset	$ 216,700

Leased Properties - Future Mini

Leased Properties - Future Minimum Lease Payment (Details)	Dec. 31, 2021USD ($)
Leases [Abstract]
2022	$ 277,700
Total future minimum lease payments	277,700
Less: accreted interest	7,200
Total operating lease liabilities	$ 270,500

Commitments and Contingencies -

Commitments and Contingencies - Additional Information (Detail) - USD ($) shares in Thousands	1 Months Ended		6 Months Ended	12 Months Ended
	Sep. 30, 2021	Apr. 30, 2020	Jun. 30, 2021	Dec. 31, 2021	Dec. 31, 2020	Jul. 31, 2021	Nov. 30, 2019
Commitments And Contingencies [Line Items]
Accrued expenses				$ 3,136,244	$ 3,359,718
Loan under Paycheck Protection Program		$ 367,285
Notes payable including accrued interest				$ 369,887
Defined contribution plan, employer matching contribution, percent of match				4.00%
Defined contribution plan, employer matching contributions				$ 160,000	$ 136,000
NICHD
Commitments And Contingencies [Line Items]
Research and development agreement, commitment, amount						$ 5,500,000
Research and Development Arrangement, Contract to Perform for Others, Costs Incurred, Gross				1,500,000
CRADA
Commitments And Contingencies [Line Items]
Revenue, Remaining Performance Obligation, Amount				$ 4,000,000
Minimum
Commitments And Contingencies [Line Items]
Change in control of company, termination without cause or resignation for good reason, period				3 months
Payment to be received upon termination without cause				9 months
Health coverage to be received upon termination without cause				9 months
Change in control of company, termination for cause or for good reason				3 months
Payment to be received upon termination for cause or for good reason				12 months
Health coverage to be received upon termination for cause or for good reason				12 months
Maximum
Commitments And Contingencies [Line Items]
Change in control of company, termination without cause or resignation for good reason, period				12 months
Payment to be received upon termination without cause				12 months
Health coverage to be received upon termination without cause				12 months
Change in control of company, termination for cause or for good reason				12 months
Payment to be received upon termination for cause or for good reason				18 months
Health coverage to be received upon termination for cause or for good reason				18 months
Microchips Biotech, Inc.
Commitments And Contingencies [Line Items]
Payment of additional consideration in business combination			$ 1,250,000
Registration payment arrangement, maximum potential consideration			$ 1,250,000
Asset Acquisition, Contingent Consideration, Current							$ 1,000,000
Accrued expenses				$ 250,000
Equity issued in consideration of acquisition (in shares)	700
Payments to stockholders' representative in business combination	$ 75,000

Grant Awards - Additional Infor

Grant Awards - Additional Information (Details) - USD ($)	1 Months Ended				12 Months Ended		48 Months Ended
	Sep. 30, 2021	Jul. 31, 2021	Aug. 31, 2020	Apr. 30, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2021	Jun. 30, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items]
Amount awarded for grant		$ 11,450,000		$ 731,000			$ 1,900,000
Deferred grant funding					$ 10,542,983	$ 1,564,553	10,542,983
Grant, Ovaprene
Accounts, Notes, Loans and Financing Receivable [Line Items]
Credits recorded to research and development expense for costs related to award						595,000
Grant, DARE-PTB1
Accounts, Notes, Loans and Financing Receivable [Line Items]
Amount awarded for grant			$ 300,000
Credits recorded to research and development expense for costs related to award					65,000
Receivable for expenses eligible for reimbursement					9,600		9,600
Additional potential grant funding			$ 2,000,000
DARE-LARC1
Accounts, Notes, Loans and Financing Receivable [Line Items]
Amount awarded for grant	$ 300,000
Credits recorded to research and development expense for costs related to award					7,400
Receivable for expenses eligible for reimbursement					7,400		$ 7,400
Business development					$ 5,400,000
Initial payment								$ 48,950,000
Grant Awards | Bill And Melinda Gates Foundation
Accounts, Notes, Loans and Financing Receivable [Line Items]
Revenue from grant for notice of awards						$ 2,500,000

Subsequent Events - Additional

Subsequent Events - Additional Information (Detail) - USD ($)	Mar. 30, 2022	Feb. 14, 2022	Feb. 04, 2022	Dec. 31, 2021	Dec. 31, 2020
Subsequent Event [Line Items]
Milestone payments				$ 250,000	$ 0
Organon
Subsequent Event [Line Items]
Upfront license fee paid				10,000,000
Milestone payments				182,500,000
First commercial sale amount				2,500,000
Sales based milestones amount				$ 180,000,000
Subsequent Event
Subsequent Event [Line Items]
Extension lease term		3 years	2 years
Subsequent Event | Organon
Subsequent Event [Line Items]
Upfront license fee paid	$ 10,000,000
Milestone payments	182,500,000
First commercial sale amount	2,500,000
Sales based milestones amount	$ 180,000,000
Right to develop period	10 years
License agreement, notice period of termination	120 days