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Inventories
12 Months Ended
Dec. 31, 2014
Inventory Disclosure [Abstract]  
Inventory Disclosure [Text Block]
5. Inventories
 
Inventories consist of the following:
 
 
 
December 31,
 
 
 
2014
 
2013
 
 
 
(in thousands)
 
Finished goods
 
$
-
 
$
7
 
Raw materials
 
 
207
 
 
31
 
Total
 
$
207
 
$
38