Note 8 - Accrued Expenses (Tables)

6 Months Ended

Jun. 30, 2021

Notes Tables

Schedule of Accrued Liabilities [Table Text Block]

	June 30,		December 31,
	2021		2020
Sales commissions	$	2,494	$	2,574
Subcontracting labor		2,279		758
Salaries, bonuses and related benefits		19,020		17,165
Warranty accrual		1,294		1,010
Other		8,383		6,969
	$	33,470	$	28,476

Restructuring and Related Costs [Table Text Block]

			Six Months Ended
			June 30, 2021
	Liability at				Cash Payments			Liability at
	December 31,		New		and Other			June 30,
	2020		Charges		Settlements			2021
Severance costs	$	124	$	277	$	(311	)	$	90
Other restructuring costs		-		-		-			-
Total	$	124	$	277	$	(311	)	$	90