Note 6 - Inventories (Tables)

12 Months Ended

Dec. 31, 2016

Notes Tables

Schedule of Inventory, Current [Table Text Block]

	2016		2015
Raw materials	$	2,695	$	2,535
Work in process		728		295
Inventory consigned to others		81		119
Finished goods		172		571
Total inventories	$	3,676	$	3,520