Quarterly report pursuant to Section 13 or 15(d)

Intangible assets, net (Details Textual)

v3.19.1
Intangible assets, net (Details Textual) - USD ($)
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Amortization of Intangible Assets $ 263,846 $ 0