Warranties (Tables)

6 Months Ended

Jun. 30, 2019

Warranties [Abstract]

Warranty liability and related activity

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

	Six-Month Periods Ended June 30,
	2019			2018
Beginning balance	$	656		$	858
Warranty provisions		78			80
Warranty claims		(55	)		(18	)
Adjustments to preexisting warranties		(114	)		(222	)
Currency		(1	)		(5	)
Ending balance	$	564		$	693