Note 6 - Inventories (Tables)

3 Months Ended

Mar. 31, 2016

Notes Tables

Schedule of Inventory, Current [Table Text Block]

	Mar. 31, 2016		Dec. 31, 2015
Raw materials	$	2,312	$	2,535
Work in process		625		295
Inventory consigned to others		118		119
Finished goods		399		571
Total inventories	$	3,454	$	3,520