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Note 16 - Supplemental information: (Detail) - The following is a summary of the Company’s property and equipment by geographic region: (USD $)
Dec. 31, 2012
Dec. 31, 2011
Property and equipment by geographic region: $ 1,352,144 $ 1,437,564
Canada [Member]
   
Property and equipment by geographic region: 1,026,570 1,027,122
United States [Member]
   
Property and equipment by geographic region: 306,679 390,231
Germany [Member]
   
Property and equipment by geographic region: $ 18,895 $ 20,211