Annual report pursuant to Section 13 and 15(d)

Fair Value Measurements - Summary of Weighted Average Unobservable Inputs (Details)

v3.20.2
Fair Value Measurements - Summary of Weighted Average Unobservable Inputs (Details)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Warrant Derivative Liability [Member] | Measurement Input, Strike Price [Member]    
Derivative liability, measurement input 4.76 7.80
Warrant Derivative Liability [Member] | Measurement Input, Expected Term [Member]    
Derivative liability, measurement input, term 3 years 3 months 19 days 2 years 8 months 12 days
Warrant Derivative Liability [Member] | Measurement Input, Price Volatility [Member]    
Derivative liability, measurement input 152.2 91.2
Warrant Derivative Liability [Member] | Measurement Input, Risk Free Interest Rate [Member]    
Derivative liability, measurement input 1.6 2.24
Warrant Derivative Liability [Member] | Measurement Input, Expected Dividend Rate [Member]    
Derivative liability, measurement input 0.00 0.00
Embedded Conversion Feature [Member] | Measurement Input, Strike Price [Member]    
Derivative liability, measurement input 2.85 2.61
Embedded Conversion Feature [Member] | Measurement Input, Expected Term [Member]    
Derivative liability, measurement input, term 1 year 6 months 7 months 6 days
Embedded Conversion Feature [Member] | Measurement Input, Price Volatility [Member]    
Derivative liability, measurement input 127.7 91.2
Embedded Conversion Feature [Member] | Measurement Input, Risk Free Interest Rate [Member]    
Derivative liability, measurement input 1.5 2.36
Embedded Conversion Feature [Member] | Measurement Input, Expected Dividend Rate [Member]    
Derivative liability, measurement input 0.00 0.00