Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Property and Equipment, Net (Details Textual)

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Property and Equipment, Net (Details Textual) - USD ($)
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Property and Equipment, Net (Textual)      
Depreciation expense $ 24,083 $ 20,695 $ 11,898