Note 11 - Accrued Expenses (Tables)

12 Months Ended

Dec. 31, 2020

Notes Tables

Schedule of Accrued Liabilities [Table Text Block]

	December 31,
	2020		2019
Sales commissions	$	2,574	$	2,542
Subcontracting labor		758		990
Salaries, bonuses and related benefits		17,165		14,715
Warranty accrual		1,010		1,576
Other		6,969		7,095
	$	28,476	$	26,918