Development, Commercialization and Supply Agreements (Tables)

9 Months Ended

Sep. 30, 2019

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 nine months ended September 30, 2019 and 2018:

In thousands	Balance at Beginning of Period		Additions		Deductions			Balance at End of Period
Nine months ended September 30, 2019:
Contract assets	$	—	$	—	$	—		$	—
Contract liabilities:
Deferred revenue	$	20,710	$	—	$	(1,131	)	$	19,579
Nine months ended September 30, 2018:
Contract assets	$	—	$	—	$	—		$	—
Contract liabilities:
Deferred revenue	$	19,054	$	2,500	$	(598	)	$	20,956

During the nine months ended September 30, 2019 and 2018 date, 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		Nine Months Ended September 30,
Revenue recognized in the period from:		2019			2018
Amounts included in contract liability at the beginning of the period	$		1,131	$	405
Performance obligations satisfied in previous periods	$		—	$		193