Collaborations (Tables)

3 Months Ended

Mar. 31, 2021

Organization Consolidation And Presentation Of Financial Statements [Abstract]

Summary of Changes in Accounts Receivable and Contract Liabilities

The following table presents changes in the Company’s accounts receivable and contract liabilities during the three months ended March 31, 2021 and 2020 (in thousands):

	Balance at Beginning of Period		Additions		Deductions			Balance at End of Period
Three Months Ended March 31, 2021
Accounts receivable	$	2,130	$	953	$	(2,130	)	$	953
Contract liabilities:
Deferred revenue	$	73,931	$	-	$	(5,558	)	$	68,373
	Balance at Beginning of Period		Additions		Deductions			Balance at End of Period
Three Months Ended March 31, 2020
Accounts receivable	$	4,620	$	9,765	$	(1,017	)	$	13,368
Contract liabilities:
Deferred revenue	$	28,810	$	-	$	(3,151	)	$	25,659

Summary of Revenues Recognized Resulting From Changes in Contract Liability Balance

During the three months ended March 31, 2021 and 2020, the Company recognized the following revenues as a result of changes in the contract liability balance (in thousands):

	Three Months Ended March 31,
Revenue recognized in the period from:		2021		2020
Amounts included in the contract liability at the beginning of the period	$	5,558	$	3,151