Schedule II-Valuation and Qualifying Accounts

12 Months Ended

Dec. 31, 2021

Valuation And Qualifying Accounts [Abstract]

Schedule II-Valuation and Qualifying Accounts

	Balance at January 1		Additions			Deductions				Balance at December 31
2021
Accounts deducted from accounts receivable -
Allowance for doubtful accounts	$	561		447	^A		(427	)	^A	$	581
Accounts deducted from deferred tax assets -
Deferred tax asset valuation allowance	$	7,664		207	^B		(5,743	)	^B	$	2,128

2020
Accounts deducted from accounts receivable -
Allowance for doubtful accounts	$	84		595	^A		(118	)	^A	$	561
Accounts deducted from deferred tax assets -
Deferred tax asset valuation allowance	$	5,695		2,389	^B		(420	)	^B	$	7,664

2019
Accounts deducted from accounts receivable -
Allowance for doubtful accounts	$	104		15	^A		(35	)	^A	$	84
Accounts deducted from deferred tax assets -
Deferred tax asset valuation allowance	$	5,590		886	^B		(781	)	^B	$	5,695

A	These balances primarily reflect additions to the allowance charged to expense resulting from the normal course of business, less deductions for recovery of accounts that were previously reserved, and additions and deductions for foreign currency translation

These balances primarily reflect additions or deductions to the valuation allowance associated with the U.S. deferred tax assets, reversal of the valuation allowance against the U.S., U.K. and India deferred tax assets, changes in foreign currency exchange rates, and deductions for expiring net operating loss carryforwards