Note 4 - Inventories (Tables)

6 Months Ended

Jun. 30, 2014

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

	June 30, 2014		December 31, 2013
Raw materials	$	6,296	$	5,989
Finished goods		3,734		3,017
Total	$	10,030	$	9,006