CONTINGENCIES (Tables)

9 Months Ended

Sep. 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 nine months ended September 30, 2021 and 2020 (in thousands):

	Nine Months Ended September 30,
	2021		2020
Accrual balance at beginning of period	$	1,095	$	1,337
Accruals for product warranties	988		1,030
Costs of warranty claims	(900)		(1,003)
Accrual balance at end of period	$	1,183	$	1,364