Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurement - Summary of Assumptions Used for Valuation of Fair Value Liabilities (Details)

v3.20.1
Fair Value Measurement - Summary of Assumptions Used for Valuation of Fair Value Liabilities (Details)
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Risk Free Interest Rate [Member]    
Fair value assumptions, measurement input, percentages 0.17% 2.40%
Contractual Term (Years) [Member]    
Fair value assumptions, measurement input, term 1 year 1 year
Expected Volatility [Member]    
Fair value assumptions, measurement input, percentages 78.00% 140.00%
Expected Dividend Yield [Member]    
Fair value assumptions, measurement input, percentages 0.00% 0.00%