Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2021

Summary of Significant Accounting Policies

Schedule of reconciliation of cash and cash equivalents and restricted cash

	DECEMBER 31,
	2021		2020		2019
Cash and cash equivalents	$	185,797	$	271,382	$	29,256
Restricted cash, current		827		1,909		506
Total cash and cash equivalents, and restricted cash	$	186,624	$	273,291	$	29,762

Schedule of accounts receivable

	DECEMBER 31,
	2021		2020
Trade receivables	$	60,167	$	46,395
Unbilled receivables		9,071		7,698
Other receivables		579		130
Allowances for credit losses		(262)		(132)
Accounts receivable, net	$	69,555	$	54,091

Schedule of allowance rollforward of credit losses

	DECEMBER 31,
	2021		2020
Beginning balance	$	132	$	185
Provision for credit losses		215		23
Charge-offs		(85)		(89)
Recoveries		—		13
Ending Balance	$	262	$	132

Summary of liability that is measured at fair value on a recurring basis

The following table sets forth the liabilities that were measured at fair value on a recurring and non-recurring basis by their levels in the fair value hierarchy at December 31, 2021:

	LEVEL 1		LEVEL 2		LEVEL 3		TOTAL
Asset
Interest rate swap asset	$	—	$	57	$	—	$	57
Total	$	—	$	57	$	—	$	57

The following table sets forth the liabilities that were measured at fair value on a recurring and non-recurring basis by their levels in the fair value hierarchy at December 31, 2020:

	LEVEL 1		LEVEL 2		LEVEL 3		TOTAL
Liability
Interest rate swap liability	$	—	$	3,671	$	—	$	3,671
Total	$	—	$	3,671	$	—	$	3,671

Summary of revenue by timing of revenue recognition

	YEAR ENDED DECEMBER 31,
	2021		2020		2019
Software licenses transferred at a point in time	$	40,167	$	36,388	$	35,261
Software licenses transferred over time		46,658		37,075		33,080
Service revenues earned over time		199,279		170,067		140,170
Total	$	286,104	$	243,530	$	208,511