Note 4 - Inventories (Tables)

12 Months Ended

Dec. 31, 2016

Notes Tables

Schedule of Inventory, Current [Table Text Block]

	December 31,
	2016		2015
Raw materials	$	7,111	$	7,506
Work in process		1,354		1,192
Finished goods		5,686		5,504
Total Inventory	$	14,151	$	14,202