Note 5 - Inventories (Tables)

6 Months Ended

Jun. 30, 2014

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

	June 30, 2014		Dec. 31, 2013
Raw materials	$	2,876	$	2,753
Work in process		371		222
Inventory consigned to others		86		94
Finished goods		540		174
	$	3,873	$	3,243