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Note 9 - Supplemental Information (Details) - Summary of Company’s property and equipment by geographic region (USD $)
Sep. 30, 2013
Dec. 31, 2012
Note 9 - Supplemental Information (Details) - Summary of Company’s property and equipment by geographic region [Line Items]    
Property and equipment $ 1,833,258 $ 1,352,144
Canada [Member]
   
Note 9 - Supplemental Information (Details) - Summary of Company’s property and equipment by geographic region [Line Items]    
Property and equipment 1,320,572 1,026,570
United States [Member]
   
Note 9 - Supplemental Information (Details) - Summary of Company’s property and equipment by geographic region [Line Items]    
Property and equipment 498,734 306,679
Germany [Member]
   
Note 9 - Supplemental Information (Details) - Summary of Company’s property and equipment by geographic region [Line Items]    
Property and equipment $ 13,952 $ 18,895