Annual report pursuant to Section 13 and 15(d)

Loan and Security Agreement - Long-term Debt and Net Premium (Amortization) Balances (Details)

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Loan and Security Agreement - Long-term Debt and Net Premium (Amortization) Balances (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Debt Instruments [Abstract]    
Principal amount of debt $ 25,000 $ 25,000
Net premium / (amortization) associated with accretion of final payment and other debt issuance costs 113 (455)
Debt, current and non-current 25,113 24,545
Less: Debt, current portion (9,375)  
Debt, non-current $ 15,738 $ 24,545