Commitments and Contingencies	3 Months Ended
Mar. 31, 2022
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies	7. Commitments and Contingencies License Agreements The Company is a party to a number of license agreements related to certain patent rights used in developing its product candidates. Under such license agreements, the Company paid nominal upfront fees and is obligated to pay certain nominal annual license maintenance fees. The Company is also obligated to make certain payments based on specified clinical and regulatory milestones and royalty payments based on sales volume and milestones. The Company may terminate these agreements by providing prior written notice to the respective counterparty. All payments made have been expensed as research and development expenses in the condensed consolidated statements of operations and comprehensive loss. The condensed consolidated balance sheets as of March 31, 2022 and December 31, 2021 do not include liabilities with respect to these license agreements as the Company has not yet generated revenue and the achievement of the milestones is not probable. Indemnification Agreements The Company enters into standard indemnification agreements and/or indemnification sections in other agreements in the ordinary course of business. Pursuant to the agreements, the Company indemnifies, holds harmless, and agrees to reimburse the indemnified party for losses suffered or incurred by the indemnified party, generally the Company’s business partners. The term of these indemnification agreements is generally perpetual any time after execution of the agreement. The maximum potential amount of future payments the Company could be required to make under these indemnification agreements and/or sections is unlimited. The Company has never incurred costs to defend lawsuits or settle claims related to these indemnification agreements and/or sections. The Company does not believe that the outcome of any claims under indemnification arrangements will have a material effect on its financial position, results of operations or cash flows, and it had not accrued any liabilities related to such obligations in its condensed consolidated financial statements as of March 31, 2022 or December 31, 2021. Legal Proceedings From time to time, the Company may become party to litigation or other legal proceedings as part of its ordinary course of business. As of March 31, 2022, the Company was not party to any material legal proceedings. At each reporting date, the Company evaluates whether or not a potential loss amount or a potential range of losses is probable and reasonably estimable under the provisions of FASB ASC Topic 450, Contingencies.

Commitments and Contingencies

3 Months Ended

Mar. 31, 2022

Commitments and Contingencies Disclosure [Abstract]

7. Commitments and Contingencies

License Agreements

The Company is a party to a number of license agreements related to certain patent rights used in developing its product candidates. Under such license agreements, the Company paid nominal upfront fees and is obligated to pay certain nominal annual license maintenance fees. The Company is also obligated to make certain payments based on specified clinical and regulatory milestones and royalty payments based on sales volume and milestones. The Company may terminate these agreements by providing prior written notice to the respective counterparty. All payments made have been expensed as research and development expenses in the condensed consolidated statements of operations and comprehensive loss. The condensed consolidated balance sheets as of March 31, 2022 and December 31, 2021 do not include liabilities with respect to these license agreements as the Company has not yet generated revenue and the achievement of the milestones is not probable.

Indemnification Agreements

The Company enters into standard indemnification agreements and/or indemnification sections in other agreements in the ordinary course of business. Pursuant to the agreements, the Company indemnifies, holds harmless, and agrees to reimburse the indemnified party for losses suffered or incurred by the indemnified party, generally the Company’s business partners. The term of these indemnification agreements is generally perpetual any time after execution of the agreement. The maximum potential amount of future payments the Company could be required to make under these indemnification agreements and/or sections is unlimited. The Company has never incurred costs to defend lawsuits or settle claims related to these indemnification agreements and/or sections. The Company does not believe that the outcome of any claims under indemnification arrangements will have a material effect on its financial position, results of operations or cash flows, and it had not accrued any liabilities related to such obligations in its condensed consolidated financial statements as of March 31, 2022 or December 31, 2021.

Legal Proceedings

From time to time, the Company may become party to litigation or other legal proceedings as part of its ordinary course of business. As of March 31, 2022, the Company was not party to any material legal proceedings. At each reporting date, the Company evaluates whether or not a potential loss amount or a potential range of losses is probable and reasonably estimable under the provisions of FASB ASC Topic 450, Contingencies.