Note 8 - Accrued Expenses (Tables)

9 Months Ended

Sep. 30, 2021

Notes Tables

Schedule of Accrued Liabilities [Table Text Block]

	September 30,		December 31,
	2021		2020
Sales commissions	$	2,526	$	2,574
Subcontracting labor		1,622		758
Salaries, bonuses and related benefits		20,355		17,165
Warranty accrual		1,129		1,010
Other		12,617		6,969
	$	38,249	$	28,476

Restructuring and Related Costs [Table Text Block]

			Nine Months Ended
			September 30, 2021
	Liability at				Cash Payments			Liability at
	December 31,		New		and Other			September 30,
	2020		Charges		Settlements			2021
Severance costs	$	124	$	675	$	(550	)	$	249
Other restructuring costs		-		-		-			-
Total	$	124	$	675	$	(550	)	$	249