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Leases - Components of Lease Expense (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Lease expense        
Operating lease $ 136 $ 132 $ 393 $ 399
Short-term lease expense 36 33 107 98
Total $ 172 $ 165 $ 500 $ 497