Collaboration Revenue (Tables)

12 Months Ended

Dec. 31, 2021

Revenue from Contract with Customer [Abstract]

Changes in Contract Liabilities

The following tables present changes in the Company’s contract liabilities during the year ended December 31, 2021 and 2020:

	Balance as of December 31, 2020		Additions		Deductions			Balance as of December 31, 2021
Year ended December 31, 2021
Contract liabilities:
Deferred revenue - related party	$	108,174		8,157		(12,514	)	$	103,817

	Balance as of December 31, 2019		Additions		Deductions			Balance as of December 31, 2020
Year ended December 31, 2020
Contract liabilities:
Deferred revenue - related party	$	110,071		10,000		(11,897	)	$	108,174
Deferred revenue	$	9,668		7,493		(17,161	)	$	-

During the year ended December 31, 2021, the Company recognized the following revenues as a result of changes in the contract liability balances in the respective periods:

	Year Ended December 31,
	2021		2020
Revenue recognized in the period from:
Amounts included in the contract liability at the beginning of the period	$	10,446	$	21,565