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Note 10 - Segment Reporting - Summary of Amortizable Intangible Assets by Geographic Region (Details) - USD ($)
Jun. 30, 2017
Dec. 31, 2016
Amortizable intangible assets $ 47,284,622 $ 6,809,484
CANADA    
Amortizable intangible assets 5,384,192 5,850,596
UNITED STATES    
Amortizable intangible assets 41,678,000 633,798
GERMANY    
Amortizable intangible assets $ 222,430 $ 325,090