Note 20 - Valuation and Qualifying Accounts (Tables)

12 Months Ended

Dec. 31, 2019

Notes Tables

Valuation and Qualifying Accounts [Table Text Block]

	Balance at Beginning of Year		Additions Charged to Earnings		Charges to Reserve, Net (1)			Reserves Established for Acquisitions			Balance at End of Year
Year ended December 31, 2019
Allowance for doubtful accounts	$	4,873	$	3,086	$	(1,033	)	$	42		$	6,968
Reserves for inventory		23,140		4,821		(3,867	)		199		$	24,293
Valuation of deferred tax assets		5,802		-		-			(778	)	$	5,024
Year ended December 31, 2018
Allowance for doubtful accounts	$	4,805	$	1,941	$	(2,123	)	$	250		$	4,873
Reserves for inventory		15,987		10,004		(3,720	)		869			23,140
Valuation of deferred tax assets		6,817		478		-			(1,493	)		5,802
Year ended December 31, 2017
Allowance for doubtful accounts	$	5,642	$	346	$	(1,842	)	$	659		$	4,805
Reserves for inventory		13,031		6,164		(4,036	)		828			15,987
Valuation of deferred tax assets		4,362		2,455		-			-			6,817