Note 5 - Inventories (Tables)

6 Months Ended

Jun. 30, 2015

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

	June 30,2015		Dec. 31,2014
Raw materials	$	2,667	$	2,505
Work in process		683		406
Inventory consigned to others		118		129
Finished goods		551		729
	$	4,019	$	3,769