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Note 17 - Segment Reporting - Summary of Amortizable Intangible Assets by Geographic Region (Details) - USD ($)
Dec. 31, 2016
Dec. 31, 2015
Amortizable intangible assets $ 6,809,484 $ 1,233,004
CANADA    
Amortizable intangible assets 5,850,596
UNITED STATES    
Amortizable intangible assets 633,798 702,594
GERMANY    
Amortizable intangible assets $ 325,090 $ 530,410