Warranties (Tables)

9 Months Ended

Sep. 30, 2020

Warranties [Abstract]

Warranty liability and related activity

Warranty liability and related activity consisted of the following (in thousands):

	Nine-Month Periods Ended September 30,
	2020			2019
Beginning balance	$	313		$	656
Warranty provisions		26			100
Warranty claims		(53	)		(69	)
Adjustments to preexisting warranties		(146	)		(240	)
Currency		2			(3	)
Ending balance	$	142		$	444