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Property and Equipment (Details Textual) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Property and Equipment (Textual)        
Depreciation expenses $ 15,691 $ 11,251 $ 29,631 $ 22,671