Revenue (Tables)

3 Months Ended

Mar. 31, 2022

U.S. Government Agreements, Grants and Licenses

Schedule of Increase (Decrease) In Accounts Receivable, Unbilled Services, and Deferred Revenue

During the three months ended March 31, 2022, changes in the Company's accounts receivables and deferred revenue balances were as follows (in thousands):

	December 31, 2021		Additions	Deductions	March 31, 2022
Contract receivables:
Accounts receivable	$	454,993	625,124	(601,961)	$	478,156
Contract liabilities:
Deferred revenue(1)	$	1,595,472	49,094	(108,586)	$	1,535,980

(1)    Amount is comprised of $1.1 billion and $1.4 billion of current Deferred revenue and $441.7 million and $172.5 million of non-current Deferred revenue as of March 31, 2022 and December 31, 2021, respectively.

Schedule of Revenue by Major Customers by Reporting Segments

The Company recognized grant revenue as follows (in thousands):

	Three Months Ended March 31,
	2022		2021
U.S. government partnership (“OWS”)	$	99,301	$	363,560
U.S. Department of Defense (“DoD”)	—		19,144
Coalition for Epidemic Preparedness Innovations (“CEPI”)	—		61,561
Bill & Melinda Gates Foundation (“BMGF”)	—		2,628
Total	$	99,301	$	446,893