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Inventory
12 Months Ended
Dec. 31, 2012
Inventory Disclosure [Abstract]  
Inventory Disclosure [Text Block]

9. Inventory:

 

The components of inventories were as follows:

 

    December 31,  
(In thousands of U.S. dollars)   2011     2012  
             
Raw materials     921       894  
Finished goods     754       626  
                 
Inventories, net     1,675       1,520