Note 5 - Inventories (Tables)

9 Months Ended

Sep. 30, 2013

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

(in thousands)	September 30, 2013		December 31, 2012
Raw materials	$	958	$	795
Finished goods		101		87
Total inventories	$	1,059	$	882