Annual report pursuant to Section 13 and 15(d)

Convertible Notes Payable (Details)

v3.22.1
Convertible Notes Payable (Details)
$ / shares in Units, $ in Thousands
1 Months Ended 12 Months Ended
Sep. 29, 2021
shares
Jan. 04, 2021
USD ($)
share
Jun. 11, 2020
USD ($)
shares
Apr. 17, 2020
USD ($)
shares
Sep. 30, 2021
USD ($)
Dec. 31, 2021
USD ($)
$ / shares
Dec. 31, 2020
USD ($)
May 31, 2021
USD ($)
Dec. 31, 2019
USD ($)
Nov. 15, 2019
USD ($)
Debt Instrument [Line Items]                    
Principal amount               $ 53,500    
Loss on convertible note modification           $ 50,577 $ 0      
Exchange ratio 0.8149                  
Convertible Notes Due April 17, 2035 | Series D                    
Debt Instrument [Line Items]                    
Number of shares issued upon conversion | shares     11,636,645 2,895,934            
Convertible Notes Due January 3, 2023 | Convertible Note                    
Debt Instrument [Line Items]                    
Loss on convertible note modification         $ 50,600          
Convertible Note                    
Debt Instrument [Line Items]                    
Carrying amount of debt           $ 0 $ 0      
Convertible Note | Convertible Notes Due November 15, 2024                    
Debt Instrument [Line Items]                    
Principal amount                   $ 1,500
Effective interest rate (as a percent)                 2.00% 2.00%
Carrying amount of debt                 $ 1,500  
Convertible Note | Convertible Notes Due April 17, 2035                    
Debt Instrument [Line Items]                    
Principal amount       $ 5,500            
Effective interest rate (as a percent)       1.44%            
Amount of debt converted     $ 4,400 $ 1,100            
Convertible Note | Convertible Notes Due January 3, 2023                    
Debt Instrument [Line Items]                    
Principal amount   $ 5,000                
Effective interest rate (as a percent)   1.28%                
Conversion price (in usd per share) | $ / shares           $ 0.74        
Conversion of debt, shares issued (in shares) | shares 6,820,022                  
Number of shares the note is convertible into | share   5,557,864