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Debt - Terms and Assumptions to Determine Fair Value of Warrants (Details)
Sep. 30, 2020
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May 28, 2020
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Apr. 06, 2020
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Debt Instrument [Line Items]      
Period warrants are exercisable     5 years
Stock price | Warrant      
Debt Instrument [Line Items]      
Warrants, measurement input 2.45 4.03 2.70
Expected Life in Years | Warrant      
Debt Instrument [Line Items]      
Period warrants are exercisable 5 years 4 years 10 months 9 days 5 years
Volatility | Warrant      
Debt Instrument [Line Items]      
Warrants, measurement input 0.795 0.790 0.776
Discount Rate- Bond Equivalent Yield | Warrant      
Debt Instrument [Line Items]      
Warrants, measurement input 0.003 0.003 0.004