Note 5 - Inventories (Tables)

9 Months Ended

Sep. 30, 2014

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

		September 30, 2014		December 31, 2013
(in thousands)		(unaudited)		(audited)
Raw materials	$	901	$	940
Finished goods		80		166
Total inventories	$	981	$	1,106