Note 4 - Inventories (Tables)

6 Months Ended

Jun. 30, 2014

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

	June 30,		December 31,
	2014		2013
Raw materials	$	1,130	$	1,611
Finished goods		1,459		899
Inventories, net	$	2,589	$	2,510