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Note 8 - Accrued Expenses (Tables)

3 Months Ended

Mar. 31, 2020

Notes Tables

Schedule of Accrued Liabilities [Table Text Block]

		March 31,				December 31,
		2020				2019
Sales commissions		$	2,755			$	2,542
Subcontracting labor			742				990
Salaries, bonuses and related benefits			11,781				14,715
Warranty accrual			1,537				1,576
Other			7,289				7,095
		$	24,104			$	26,918

Restructuring and Related Costs [Table Text Block]

						Three Months Ended
						March 31, 2020
		Liability at								Cash Payments				Liability at
		December 31,				New				and Other				March 31,
		2019				Charges				Settlements				2020
Severance costs		$	-			$	128			$	(128	)		$	-
Other restructuring costs			44				-				-				44
Total		$	44			$	128			$	(128	)		$	44

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