Development, Commercialization and Supply Agreements (Tables)

6 Months Ended

Jun. 30, 2021

Organization Consolidation And Presentation Of Financial Statements [Abstract]

Changes in Balances of Contract Assets and Liabilities and Revenues Recognized

The following table presents changes in the balances of the Company’s contract assets and liabilities during the three and six months ended June 30, 2021 and 2020:

In thousands	Balance at Beginning of Period		Additions		Deductions			Balance at End of Period
Six months ended June 30, 2021:
Contract assets	$	—	$	—	$	—		$	—
Contract liabilities:
Deferred revenue	$	18,632	$	61	$	(1,225	)	$	17,468
Six months ended June 30, 2020:
Contract assets	$	—	$	—	$	—		$	—
Contract liabilities:
Deferred revenue	$	20,846	$	3,750	$	(4,382	)	$	20,214

During the six months ended June 30, 2021 and 2020, the Company recognized the following revenues as a result of changes in the contract asset and contract liability balances in the respective periods:

In thousands	Six months ended June 30,
Revenue recognized in the period from:	2021		2020
Amounts included in contract liability at the beginning of the period	$	1,201	$	2,845
Performance obligations satisfied in previous periods	$	22	$	1,097