Valuation And Qualifying Accounts

12 Months Ended

Dec. 31, 2021

Valuation And Qualifying Accounts

Valuation And Qualifying Accounts

Schedule II

The tables below detail the activity of the allowance for doubtful accounts and valuation allowance on deferred tax assets for the years ended December 31, 2020 and 2021:

	Balance at
	beginning of		Charged to		Charges utilized/		Balance at
	period		expenses		Write-offs		end of period
Allowance for doubtful accounts:
Year ended December 31, 2020	$	1,114	$	424		—	$	1,538
Year ended December 31, 2021	$	1,538		—	$	21	$	1,517

	Balance at		Addition		Charged
	beginning of		from		(credited) to		Balance at
	period		acquisition		expenses		end of period
Valuation allowance on deferred tax assets:
Year ended December 31, 2020	$	(2,156)	$	(9,401)	$	(721)	$	(12,278)
Year ended December 31, 2021	$	(12,278)		—	$	(2,158)	$	(14,436)