Product Warranty (Tables)

9 Months Ended

Sep. 30, 2021

Product Warranty [Abstract]

Activities in the Accrued Warranty Accounts

The activity in the accrued warranty accounts during the current period is as follows:

(in thousands)
Balance at January 1, 2021	$	922
Current period recovery		(92	)
Current period claims		(100	)
Currency adjustment		1
Balance at September 30, 2021	$	731