CONTINGENCIES (Tables)

6 Months Ended

Jun. 30, 2021

Commitments and Contingencies Disclosure [Abstract]

Product warranty accrual activity

The following table sets forth the activity in the product warranty accrual account for the six months ended June 30, 2021 and 2020 (in thousands):

	Six Months Ended June 30,
	2021		2020
Accrual balance at beginning of period	$	1,095	$	1,337
Accruals for product warranties	827		700
Costs of warranty claims	(601)		(673)
Accrual balance at end of period	$	1,321	$	1,364