Warranties (Tables)

3 Months Ended

Mar. 31, 2020

Warranties [Abstract]

Warranty liability and related activity

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

	Three-Month Periods Ended March 31,
	2020			2019
Beginning balance	$	313		$	656
Warranty provisions		7			30
Warranty claims		(23	)		(33	)
Adjustments to preexisting warranties		(75	)		(81	)
Currency		(2	)		(1	)
Ending balance	$	220		$	573