Quarterly report pursuant to Section 13 or 15(d)

Equity Instruments - Rollforward of Warrant Liability (Details)

v3.21.2
Equity Instruments - Rollforward of Warrant Liability (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Warrant Liability [Roll Forward]        
Beginning Balance     $ 181  
Change in fair value (Other income (expense), net)     3,633 $ (5)
Ending Balance $ 20,136   20,136  
Redeemable convertible preferred stock warrants        
Warrant Liability [Roll Forward]        
Beginning Balance 1,922 $ 178 181 185
Change in fair value (Other income (expense), net) (1,023) 2 718 (5)
Exercise of warrants (Redeemable preferred convertible stock) (899) 0 (899) 0
Issuance of new warrant 0 0 0 0
Ending Balance $ 0 $ 180 $ 0 $ 180