Annual report pursuant to Section 13 and 15(d)

Warrant Liability - Fair value of warrant liabilities by Level 3 inputs (Details)

v3.22.1
Warrant Liability - Fair value of warrant liabilities by Level 3 inputs (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Mar. 03, 2020
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]      
Warrants to purchase shares of common stock   1,112,313  
Fair value of warrant liabilities by Level 3 inputs      
Beginning balance $ 0 $ 320  
Issuance of the January 2020 Warrants   1,654  
Change in fair value $ 0 923  
Reclassification of warrants to additional paid-in capital   (2,897)  
Ending balance   $ 0  
Warrant      
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]      
Warrants to purchase shares of common stock     385,078