Quarterly report pursuant to Section 13 or 15(d)

Warrants - Change in warrant liability (Details)

v3.21.1
Warrants - Change in warrant liability (Details) - USD ($)
$ in Thousands
1 Months Ended 3 Months Ended 12 Months Ended
Jun. 24, 2020
Oct. 31, 2020
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2020
Class of Warrant or Right [Line Items]          
Beginning balance     $ 39,850    
Change in fair value of warrant liabilities $ 100   6,483 $ (1,379)  
Ending balance     46,333   $ 39,850
Series F Warrants          
Class of Warrant or Right [Line Items]          
Issuance of Series F warrants   $ 14,952      
Change in fair value of warrant liabilities     $ 6,483   $ 24,898