Note 4 - Inventories (Tables)

9 Months Ended

Sep. 30, 2020

Notes Tables

Schedule of Inventory, Current [Table Text Block]

	September 30,			December 31,
	2020			2019
Raw materials	$	15,547		$	22,759
Work-in-process		9,787			8,366
Finished goods		2,621			2,915
		27,955			34,040
Less: Reserve for excess and obsolete inventory		(2,475	)		(2,177	)
Net inventories	$	25,480		$	31,863