Commitments and Contingencies (Tables)

9 Months Ended

Sep. 30, 2019

Commitments and Contingencies

Product warranty accrued liability

The following table reflects the change in our warranty accrual which is included in “Accrued liabilities” on the condensed consolidated balance sheets, during the three and nine months ended September 30, 2019 and 2018 (in thousands):

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2019		2018		2019		2018
Beginning accrued product warranty	$	353	$	178	$	236	$	133
Accruals for warranties issued		146		125		388		258
Adjustments related to pre-existing warranties including expirations and changes in estimates		27		(10)		175		(33)
Cost of warranty repair		(183)		(65)		(456)		(130)
Ending accrued product warranty	$	343	$	228	$	343	$	228