Commitments and contingencies

6 Months Ended

Jun. 30, 2020

Commitments and Contingencies Disclosure [Abstract]

We offer a one-year limited warranty on most hardware products which is included in the terms of sale of such products. We also offer optional extended warranties on our hardware products for which the related revenue is recognized ratably over the warranty period. Provision is made for estimated future warranty costs at the time of the sale for the estimated costs that may be incurred under the standard warranty. Our estimate is based on historical experience and product sales during the period. The warranty reserve for the six months ended June 30, 2020 and 2019 was as follows:


	Six Months Ended June 30,
(In thousands)	(Unaudited)
	2020		2019
Balance at the beginning of the period	$	2,561	$	3,173
Accruals for warranties issued during the period	1,165		1,017
Accruals related to pre-existing warranties	298		(571)
Settlements made (in cash or in kind) during the period	(1,322)		(1,101)
Balance at the end of the period	$	2,702	$	2,518

As of June 30, 2020, we had non-cancelable purchase commitments with various suppliers of customized inventory and inventory components totaling approximately $5.7 million over the next twelve months