Revenue (Tables)

6 Months Ended

Jun. 30, 2022

U.S. Government Agreements, Grants and Licenses

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

During the six months ended June 30, 2022, changes in the Company's accounts receivables and deferred revenue balances were as follows (in thousands):

	December 31, 2021		Additions	Deductions	June 30, 2022
Contract receivables:
Accounts receivable	$	454,993	808,713	(1,069,173)	$	194,533
Contract liabilities:
Deferred revenue(1)	$	1,595,472	49,107	(128,432)	$	1,516,147

(1)    Amount is comprised of $701.5 million and $1.4 billion of current Deferred revenue and $814.6 million and $172.5 million of non-current Deferred revenue as of June 30, 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 June 30,				Six Months Ended June 30,
	2022		2021		2022		2021
U.S. government partnership (“OWS”)	$	107,774	$	239,493	$	207,075	$	603,053
U.S. Department of Defense (“DoD”)	—		1,041		—		20,185
Coalition for Epidemic Preparedness Innovations (“CEPI”)	—		31,955		—		93,516
Bill & Melinda Gates Foundation (“BMGF”)	—		—		—		2,628
Total grant revenue	$	107,774	$	272,489	$	207,075	$	719,382