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Debt - Future Payments Under Equipment Loan Agreements and Capital Lease Obligations (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Debt Disclosure [Abstract]    
Equipment Loans, 2022 $ 271  
Equipment Loans, 2023 236  
Equipment Loans, 2024 71  
Equipment Loans, Total payments 578  
Equipment loan, Less: Amount representing interest 0  
Equipment Loans, Total payments, net of interest 578  
Capital leases, 2022 1,888  
Capital leases, 2023 1,607  
Capital leases, 2024 80  
Total payments 3,575  
Capital leases, Less: Amount representing interest (159)  
Total payments, net of interest 3,416  
2022 2,159  
2023 1,843  
2024 151  
Total payments 4,153  
Less: Amount representing interest (159)  
Total debt $ 3,994 $ 28,086