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Debt - Components (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Debt Disclosure [Abstract]    
Total debt $ 25,000  
Less: Current portion of long-term-debt 0  
Total debt, net of current portion 25,000  
Debt financing costs, net of accretion (410)  
Accretion related to final payment 36  
Long-term debt, net $ 24,626 $ 4,977