Collaboration Agreements (Tables)

3 Months Ended

Mar. 31, 2021

Organization Consolidation And Presentation Of Financial Statements [Abstract]

Summary of Contract Liabilities Related to Company's Collaboration Agreements

Contract liabilities related to the Company’s collaboration agreements consisted of the following (in thousands):

	March 31, 2021		December 31, 2020
Current portion of contract liabilities	$	35	$	31
Contract liabilities, net of current portion		18		1,009
Total contract liabilities	$	53	$	1,040