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Property and Equipment (Details Textual) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Property and Equipment (Textual)        
Depreciation expense $ 5,189 $ 6,158 $ 15,415 $ 11,934