Note 7 - Inventories (Tables)

12 Months Ended

Dec. 31, 2018

Notes Tables

Schedule of Inventory, Current [Table Text Block]

	December 31,
	2018		2017
Raw materials	$	13,688	$	11,296
Work-in-process		4,626		6,062
Finished goods		6,819		4,677
Total	$	25,133	$	22,035
Inventories	$	21,300	$	22,035
Other long-term assets		3,833		-