Collaboration Agreements (Tables)

12 Months Ended

Dec. 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):

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

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