Note 4 - Inventories (Tables)

9 Months Ended

Sep. 30, 2014

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

	September 30,		December 31,
	2014		2013
Raw materials	$	1,999	$	1,611
Finished goods		1,634		899
Inventories, net	$	3,633	$	2,510