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Accrued Liabilities (Tables)
9 Months Ended
Sep. 30, 2014
Payables and Accruals [Abstract]  
Accrued Liabilities
(In thousands of U.S. dollars)    September 30, 2014      December 31, 2013  
Compensation    $ 868       $ 1,211   
Directors’ Deferred Share Units compensation (“DSU”)      390         265   
Other      25         22   
                   
   $ 1,283       $ 1,498