Quarterly report pursuant to Section 13 or 15(d)

SUBSEQUENT EVENTS - Additional Information (Details)

v3.19.2
SUBSEQUENT EVENTS - Additional Information (Details) - USD ($)
3 Months Ended
Aug. 01, 2019
Jan. 24, 2018
Jun. 30, 2019
Jun. 30, 2018
Subsequent Event [Line Items]        
Convertible loans     $ 950,000 $ 2,934,298
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross   24,267    
Subsequent Event [Member]        
Subsequent Event [Line Items]        
Convertible loans $ 4,560,000      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross 495,319      
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price $ 3.595