Product Warranty (Tables)

12 Months Ended

Dec. 31, 2021

Accrued Warranty [Abstract]

Activities in the Accrued Warranty Accounts

The activity in the accrued warranty accounts is as follows:

(in thousands)	As of and for the
	years ended December 31,
	2021			2020
Beginning balance	$	922		$	1,323
Current year provision		(43	)		(205	)
Current year claims		(133	)		(203	)
Currency adjustment		2			7
Ending balance	$	748		$	922

Activity in Warranty Accounts

The current and non-current warranty balance is as follows:

	December 31,
	2021		2020
Current	$	667	$	665
Non-current		81		257
Total Warranty	$	748	$	922