Commitments and contingencies (Tables)

6 Months Ended

Jun. 30, 2020

Commitments and Contingencies Disclosure [Abstract]

Schedule of Product Warranty Liability

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