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Inventory:
12 Months Ended
Dec. 31, 2011
Inventory Disclosure [Abstract]  
Inventory Disclosure [Text Block]

8. Inventory:

 

The components of inventories were as follows:

 

    December 31,  
(In thousands of U.S. dollars)   2010     2011  
             
Raw materials     862       921  
Finished goods     -       754  
                 
Inventories, net     862       1,675