Note 7 - Inventories (Tables)

6 Months Ended

Jun. 30, 2013

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

	June 30, 2013		Dec. 31, 2012
Raw materials	$	2,641	$	2,157
Work in process		325		454
Inventory consigned to others		104		105
Finished goods		290		419
	$	3,360	$	3,135