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Note 17 - Segment Reporting - Summary of Property and Equipment by Geographic Region (Details) - USD ($)
Dec. 31, 2016
Dec. 31, 2015
Property, plant and equipment $ 13,450,438 $ 7,126,676
CANADA    
Property, plant and equipment 1,010,427 1,225,236
UNITED STATES    
Property, plant and equipment 12,398,961 5,847,666
GERMANY    
Property, plant and equipment $ 41,050 $ 53,774