REVENUES (Tables)

6 Months Ended

Jun. 30, 2022

Reconciliation of Disaggregation of Revenue

The following table provides information about revenue by recognition model during the three and six months ended June 30, 2022 and 2021:

	Three Months Ended June 30,				Six Months Ended June 30,
Revenues by recognition model	2022		2021		2022		2021
Point-in-time	$	37,107	$	9,780	$	65,344	$	26,815
Over-time		18,367		1,500		30,833		2,657
Total revenue by recognition model	$	55,474	$	11,280	$	96,177	$	29,472

Balances Related to Enforceable Contracts

The following table presents the balances related to enforceable contracts as of June 30, 2022 and December 31, 2021:

	June 30, 2022			December 31, 2021
Contract balances
Accounts receivable	$	40,183		$	13,957
Contract assets		4,393			2,490
Contract liabilities		(90,659	)		(59,749	)

Changes in Contract Liabilities

Changes in contract liabilities were as follows:

Contract liabilities, at December 31, 2021	$	59,749
Contract liabilities assumed at acquisition		26,464
Customer advances received		34,810
Recognition of unearned revenue		(30,364	)
Contract liabilities, at June 30, 2022	$	90,659