VALUATION AND QUALIFYING ACCOUNTS

12 Months Ended

Dec. 31, 2019

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

VALUATION AND QUALIFYING ACCOUNTS

	Allowance for Doubtful Accounts		Inventory Reserve
Balance - December 31, 2016	$	489	$	2,546
Additions charged (credited) to costs and expenses	126		538
Adjustments/deductions (a)	(184)		(769)
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
(a) Represents write-offs and other adjustments