Note 5 - Inventories (Tables)

12 Months Ended

Dec. 31, 2014

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

	2014		2013
Raw materials	$	2,505	$	2,753
Work in process		406		222
Inventory consigned to others		129		94
Finished goods		729		174
	$	3,769	$	3,243