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Leases - Components of Lease Expense (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Lease expense        
Operating lease $ 132 $ 133 $ 399 $ 399
Short-term lease expense 33 30 98 82
Total $ 165 $ 163 $ 497 $ 481