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Note 9 - Supplemental Information (Details) - Summary of the Company’s amortizable intangible assets by geographic region: (USD $)
Jun. 30, 2013
Dec. 31, 2012
Note 9 - Supplemental Information (Details) - Summary of the Company’s amortizable intangible assets by geographic region: [Line Items]    
Amortizable Intangible Assets $ 1,782,380 $ 2,292,260
Canada [Member]
   
Note 9 - Supplemental Information (Details) - Summary of the Company’s amortizable intangible assets by geographic region: [Line Items]    
Amortizable Intangible Assets 726,700 1,062,100
Germany [Member]
   
Note 9 - Supplemental Information (Details) - Summary of the Company’s amortizable intangible assets by geographic region: [Line Items]    
Amortizable Intangible Assets $ 1,055,680 $ 1,230,160