Accrued Warranty (Tables)

6 Months Ended

Jun. 30, 2019

Guarantees [Abstract]

Summary of Changes in Product Warranty Liability

	For the six months ended
	June 30,
	2019			2018
Balance January 1,	$	2,004		$	2,030
Accrual for warranties issued during the period		1,156			1,570
Warranty services provided		(831	)		(1,446	)
Changes in estimate		(521	)		15
Foreign currency translation		(33	)		13
Balance June 30,	$	1,775		$	2,182