CONTINGENCIES (Tables)

3 Months Ended

Mar. 31, 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 three months ended March 31, 2021 and 2020 (in thousands):

	Three Months Ended March 31,
	2021		2020
Accrual balance at beginning of period	$	1,095	$	1,337
Accruals for product warranties	466		384
Costs of warranty claims	(374)		(357)
Accrual balance at end of period	$	1,187	$	1,364