Related Party Transactions	3 Months Ended
Mar. 31, 2022
Related Party Transactions [Abstract]
Related Party Transactions	15. Related Party Transactions Adimab participated in the Series B Preferred Stock financing and the Series C Preferred Stock financing by purchasing 44,076 and 128,064 shares of Series B Preferred Stock and Series C Preferred Stock, respectively, for an aggregate purchase price of $2.5 million and $10.0 million, respectively (see Note 9). Adimab Assignment Agreement Under the Adimab Assignment Agreement, Adimab, a principal stockholder of the Company, received upfront consideration in the form of Series A Preferred Stock, is entitled to receive milestone and royalty payments upon specified conditions, and receives payments from the Company for providing ongoing services under the agreement (see Note 7). During the three months ended March 31, 2022, the Company did not recognize any IPR&D expense pursuant to the Adimab Assignment Agreement. During the three months ended March 31, 2021, the Company recognized $1.0 million as IPR&D expense in connection with milestones payable under the Adimab Assignment Agreement (see Note 7). During the three months ended March 31, 2022 and 2021, the Company recognized $0.3 million and $0.2 million of research and development expense, respectively, with respect to services performed by Adimab on the Company’s behalf under the Adimab Assignment Agreement (see Note 7). Adimab Collaboration Agreement Under the Adimab Collaboration Agreement, the Company is obligated to pay Adimab for certain fees, milestone and royalty payments (see Note 7). During the three months ended March 31, 2022, the Company recognized $1.3 million of research and development expense related to the quarterly fee. During the three months ended March 31, 2022, the Company recognized $0.4 million of research and development expense with respect to services performed by Adimab on the Company’s behalf under the Adimab Collaboration Agreement. As of March 31, 2022 and December 31, 2021, $2.0 million and $0.6 million, respectively, was due to Adimab under both the Adimab Assignment Agreement and the Adimab Collaboration Agreement by the Company. As of March 31, 2022 and December 31, 2021, no amounts were due from Adimab under the Adimab Assignment Agreement or the Adimab Collaboration Agreement to the Company.

Related Party Transactions

3 Months Ended

Mar. 31, 2022

15. Related Party Transactions

Adimab participated in the Series B Preferred Stock financing and the Series C Preferred Stock financing by purchasing 44,076 and 128,064 shares of Series B Preferred Stock and Series C Preferred Stock, respectively, for an aggregate purchase price of $2.5 million and $10.0 million, respectively (see Note 9).

Adimab Assignment Agreement

Under the Adimab Assignment Agreement, Adimab, a principal stockholder of the Company, received upfront consideration in the form of Series A Preferred Stock, is entitled to receive milestone and royalty payments upon specified conditions, and receives payments from the Company for providing ongoing services under the agreement (see Note 7).

During the three months ended March 31, 2022, the Company did not recognize any IPR&D expense pursuant to the Adimab Assignment Agreement. During the three months ended March 31, 2021, the Company recognized $1.0 million as IPR&D expense in connection with milestones payable under the Adimab Assignment Agreement (see Note 7).

During the three months ended March 31, 2022 and 2021, the Company recognized $0.3 million and $0.2 million of research and development expense, respectively, with respect to services performed by Adimab on the Company’s behalf under the Adimab Assignment Agreement (see Note 7).

Adimab Collaboration Agreement

Under the Adimab Collaboration Agreement, the Company is obligated to pay Adimab for certain fees, milestone and royalty payments (see Note 7).

During the three months ended March 31, 2022, the Company recognized $1.3 million of research and development expense related to the quarterly fee.

During the three months ended March 31, 2022, the Company recognized $0.4 million of research and development expense with respect to services performed by Adimab on the Company’s behalf under the Adimab Collaboration Agreement.

As of March 31, 2022 and December 31, 2021, $2.0 million and $0.6 million, respectively, was due to Adimab under both the Adimab Assignment Agreement and the Adimab Collaboration Agreement by the Company. As of March 31, 2022 and December 31, 2021, no amounts were due from Adimab under the Adimab Assignment Agreement or the Adimab Collaboration Agreement to the Company.