Quarterly report pursuant to Section 13 or 15(d)

Debt - Summary of Interest Expense (Details)

v3.21.2
Debt - Summary of Interest Expense (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Debt Instrument [Line Items]        
Accretion of debt discount - issuance costs $ 0 $ 185 $ 1,741 $ 370
Accretion of debt discount - warrants 0 805 1,029 805
Interest expense (income) (7) 1,362 4,057 1,923
Convertible notes        
Debt Instrument [Line Items]        
Interest expense (income) 0 279 1,111 279
All other debt and financing obligations        
Debt Instrument [Line Items]        
Interest expense (income) $ (7) $ 93 $ 176 $ 469