Note 5 - Inventories (Tables)

3 Months Ended

Mar. 31, 2017

Notes Tables

Schedule of Inventory, Current [Table Text Block]

	Mar. 31, 2017		Dec. 31, 2016
Raw materials	$	2,576	$	2,695
Work in process		891		728
Inventory consigned to others		80		81
Finished goods		374		172
Total inventories	$	3,921	$	3,676