Quarterly report pursuant to Section 13 or 15(d)

Fair Value of Financial Assets and Liabilities - Additional Information (Details)

v3.20.2
Fair Value of Financial Assets and Liabilities - Additional Information (Details) - USD ($)
8 Months Ended 9 Months Ended
Nov. 02, 2020
Jan. 21, 2020
Sep. 30, 2020
Sep. 30, 2020
Dec. 31, 2019
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]          
Discounted cash flow include a discount rates     21.00% 21.00% 15.00%
Derivative liability for the exchange option, fair value   $ 27,038,000 $ 12,791,000 $ 12,791,000  
Derivative liability, change of control feature, fair value     $ 13,306,000 13,306,000  
Discount rate   21.00% 21.00%    
RLNs liability     $ 15,782,000 15,782,000  
Fair value, assets Level 1 to Level 2 transfers, amount     0 0  
Fair value, liabilities Level 1 to Level 2 transfers, amount     0 0  
Fair value, assets Level 2 to Level 1 transfers, amount     0 0  
Fair value, liabilities Level 2 to Level 1 transfers, amount     $ 0 0  
Fair value, asset Level 3 transfers amount       0  
Fair value, liabilities Level 3 transfers amount       $ 0  
Discount Rate          
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]          
Discount rate       21.00%  
Private Placement | Securities          
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]          
Debt instrument price per ordinary share   $ 1.00      
Debt instrument, shares embedded within each unit, shares   1,000      
Debt instrument, shares embedded within each unit, value   $ 1,000      
Private Placement | RLNs          
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]          
Debt instrument, aggregate potential payment capped value   $ 160,000      
Debt instrument, aggregate potential payment capped rate   4,000 times      
Debt instrument, discount rate applied for royalty linked notes   21.00%      
Private Placement | Subsequent Event | Securities          
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]          
Debt instrument price per ordinary share $ 0.7775        
Debt instrument, shares embedded within each unit, shares 1,286.1845        
Debt instrument, shares embedded within each unit, value $ 1,000