CONTINGENCIES (Tables)

9 Months Ended

Sep. 30, 2020

Commitments and Contingencies Disclosure [Abstract]

Product warranty accrual activity

The following table sets forth the activity in the product warranty accrual account for the nine months ended September 30, 2020 and 2019 (in thousands):

	Nine Months Ended September 30,
	2020		2019
Accrual balance at beginning of year	$	1,337	$	1,706
Accruals for product warranties	1,030		732
Costs of warranty claims	(1,003)		(1,016)
Accrual balance at end of period	$	1,364	$	1,422