Quarterly report pursuant to Section 13 or 15(d)

Loan and Security Agreement - Additional Information (Details)

v3.21.2
Loan and Security Agreement - Additional Information (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended
Feb. 28, 2020
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
Debt Instrument [Line Items]            
Debt, non-current   $ 21,694   $ 21,694   $ 24,545
Interest payable   200   200   $ 200
Loan and accretion of debt discount   100 $ 100 300 $ 200  
Interest expense, debt   $ 600 $ 600 $ 1,300 $ 1,000  
Average interest rate   8.07% 8.07% 8.07% 8.08%  
Loan and Security Agreement | Oxford Finance LLC and Silicon Valley Bank            
Debt Instrument [Line Items]            
Warrant to purchase stock 81,257          
Exercise price per share $ 9.23          
Estimated fair value upon issuance of warrants $ 600          
Debt, current   $ 3,100   $ 3,100    
Debt, non-current   $ 21,700   $ 21,700