Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Schedule of Fair Value Warrants Assumption (Details)

v3.19.2
Summary of Significant Accounting Policies - Schedule of Fair Value Warrants Assumption (Details)
 6 Months Ended
Jun. 30, 2019
Risk-Free Interest Rate [Member] | Minimum [Member]  
Fair value measurement rate 2.09
Risk-Free Interest Rate [Member] | Maximum [Member]  
Fair value measurement rate 2.46
Contractual Term (Year) [Member]  
Fair value of contractual term 4 months 13 days
Expected Volatility [Member]  
Fair value measurement rate 0.40