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Note 10 - Segment Reporting - Summary of Amortizable Intangible Assets by Geographic Region (Details) - USD ($)
Mar. 31, 2017
Dec. 31, 2016
Amortizable intangible assets $ 49,348,512 $ 6,809,484
CANADA    
Amortizable intangible assets 5,617,394 5,850,596
UNITED STATES    
Amortizable intangible assets 43,457,359 633,798
GERMANY    
Amortizable intangible assets $ 273,760 $ 325,090