Note 8 - Inventories (Tables)

3 Months Ended

Mar. 31, 2019

Notes Tables

Schedule of Inventory, Current [Table Text Block]

	March 31, 2019		December 31, 2018
Raw materials	$	12,751	$	13,688
Work-in-process		5,972		4,626
Finished goods		7,536		6,819
Total	$	26,259	$	25,133
Inventories	$	22,617	$	21,300
Other long-term assets		3,642		3,833