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Notes Receivable (Details) - (Table)
CAD in Thousands, $ in Thousands
Sep. 30, 2015
USD ($)
Dec. 31, 2014
USD ($)
Sep. 30, 2014
USD ($)
Mar. 31, 2012
USD ($)
Mar. 31, 2012
CAD
Notes receivable $ 1,197 $ 1,878 $ 2,440    
Note receivable – Seller of SM Canada [Member]          
Due from   $ 1,878   $ 3,085 CAD 3,107