Note 8 - Accrued Expenses (Tables)

9 Months Ended

Sep. 30, 2019

Notes Tables

Schedule of Accrued Liabilities [Table Text Block]

	September 30,		December 31,
	2019		2018
Sales commissions	$	2,503	$	2,609
Subcontracting labor		914		1,550
Salaries, bonuses and related benefits		15,808		18,275
Warranty accrual		1,577		1,078
Other		10,267		8,778
	$	31,069	$	32,290

Restructuring and Related Costs [Table Text Block]

			Nine Months Ended
			September 30, 2019
	Liability at				Cash Payments			Liability at
	December 31,		New		and Other			September 30,
	2018		Charges		Settlements			2019
Severance costs	$	-	$	663	$	(663	)	$	-
Other restructuring costs		-		988		(943	)		45
Total	$	-	$	1,651	$	(1,606	)	$	45