Collaboration Agreements (Tables)

3 Months Ended

Mar. 31, 2022

Collaboration agreements

Schedule of Changes in the Balance of Our Contract Assets and Liabilities and Recognized Revenue

The following table presents changes in the balances of the Company's contract liabilities related to the Janssen Agreement during the three months ended March 31, 2022:

(in thousands)	Balance at Beginning of Period		Additions		Deductions		Balance at End of Period
Three months ended March 31, 2022
Contract liabilities:
Deferred revenue	$	—	$	40,000	$	1,735	$	38,265

During the three months ended March 31, 2022, the Company recognized the following revenues related to the Janssen Agreement as a result of changes in the contract liability balances in the respective periods:

	Three Months Ended March 31,
(in thousands)	2022
Revenue recognized in the period from:
Amounts included in the contract liability at the beginning of the period	$	—
Performance obligations satisfied in previous periods	$	—

The following table presents changes in the balances of the Company's contract liabilities related to the Merck KGaA Agreement and Merck KGaA Supply Agreement during the three months ended March 31, 2022 and 2021:

(in thousands)	Balance at Beginning of Period		Additions		Deductions		Balance at End of Period
Three months ended March 31, 2022
Contract liabilities:
Deferred revenue	$	3,944	$	—	$	11	$	3,933

(in thousands)	Balance at Beginning of Period		Additions		Deductions		Balance at End of Period
Three months ended March 31, 2021
Contract liabilities:
Deferred revenue	$	3,987	$	—	$	11	$	3,976

During the three months ended March 31, 2022 and 2021, the Company recognized the following revenues related to the Merck KGaA Agreement and Merck KGaA Supply Agreement as a result of changes in the contract liability balances in the respective periods:

	Three Months Ended March 31,
(in thousands)	2022		2021
Revenue recognized in the period from:
Amounts included in the contract liability at the beginning of the period	$	11	$	11
Performance obligations satisfied in previous periods	$	—	$	—