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

Property and Equipment, Net (Details Textual)

v3.19.1
Property and Equipment, Net (Details Textual) - USD ($)
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Property and Equipment, Net (Textual)      
Depreciation expense $ 25,502 $ 24,083 [1] $ 20,695
[1] See Note 2D