Annual report pursuant to Section 13 and 15(d)

Fair Value Measurements (Details 2)

v3.19.1
Fair Value Measurements (Details 2)
Dec. 31, 2018
$ / shares
Dec. 31, 2017
$ / shares
Warrants and Rights Outstanding, Measurement Input 5 4.5
Fair Value, Inputs, Level 3 [Member] | Warrant Liability [Member]    
Common Stock Price | $ / shares $ 3.42 $ 0.10
Fair Value, Inputs, Level 3 [Member] | Warrant Liability [Member] | Term (Years) [Member]    
Warrants and Rights Outstanding, Measurement Input 4.27 4.46
Fair Value, Inputs, Level 3 [Member] | Warrant Liability [Member] | Volatility [Member]    
Warrants and Rights Outstanding, Measurement Input 58 58
Fair Value, Inputs, Level 3 [Member] | Warrant Liability [Member] | Risk-free rate of interest [Member]    
Warrants and Rights Outstanding, Measurement Input 2.58 2.15
Fair Value, Inputs, Level 3 [Member] | Warrant Liability [Member] | Dividend Yield [Member]    
Warrants and Rights Outstanding, Measurement Input 0.0 0.0