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Concentration Of Credit Risk And Economic Dependence (Major Vendors) (Details) - Vendor A [Member] - USD ($)
6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Concentration Risk [Line Items]    
Accounts Payable $ 1,868,111 $ 1,407,617
Purchases [Member]    
Concentration Risk [Line Items]    
Concentration risk percentage 97.10% 97.40%