Note 8 - Accrued Expenses (Tables)

6 Months Ended

Jun. 30, 2020

Notes Tables

Schedule of Accrued Liabilities [Table Text Block]

	June 30,		December 31,
	2020		2019
Sales commissions	$	2,685	$	2,542
Subcontracting labor		1,115		990
Salaries, bonuses and related benefits		15,301		14,715
Warranty accrual		1,368		1,576
Other		7,933		7,095
	$	28,402	$	26,918

Restructuring and Related Costs [Table Text Block]

			Six Months Ended
			June 30, 2020
	Liability at					Cash Payments			Liability at
	December 31,		New			and Other			June 30,
	2019		Charges			Settlements			2020
Severance costs	$	-	$	216		$	(216	)	$	-
Other restructuring costs		44		(44	)		-			-
Total	$	44	$	172		$	(216	)	$	-