Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements Fair Value Measurements - Fair Value Assumptions Using Black-Scholes-Merton Option Pricing Model (Details)

v3.20.2
Fair Value Measurements Fair Value Measurements - Fair Value Assumptions Using Black-Scholes-Merton Option Pricing Model (Details) - Valuation Technique, Option Pricing Model
Jun. 30, 2020
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Time until expiration (years) 3 years 9 months 15 days
Stock price  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Warrant liabilities, measurement inputs 3.70
Exercise price  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Warrant liabilities, measurement inputs 7.63
Expected volatility  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Warrant liabilities, measurement inputs 0.700
Risk-free interest rate  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Warrant liabilities, measurement inputs 0.003
Expected dividend yield  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Warrant liabilities, measurement inputs 0.00