VALUATION AND QUALIFYING ACCOUNTS

12 Months Ended

Dec. 31, 2020

SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]

VALUATION AND QUALIFYING ACCOUNTS

	Allowance for Doubtful Accounts		Inventory Reserve
Balance - December 31, 2017	$	431	$	2,315
Additions charged (credited) to costs and expenses	43		898
Adjustments/deductions (a)	136		(638)
Balance - December 31, 2018	610		2,575
Additions charged (credited) to costs and expenses	1,776		7,069
Adjustments/deductions (a)	(306)		(5,363)
Balance - December 31, 2019	2,080		4,281
Additions charged (credited) to costs and expenses	140		5,964
Adjustments/deductions (a)	(128)		(7,463)
Balance - December 31, 2020	$	2,092	$	2,782
(a) Represents write-offs and other adjustments