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Leases - Components of Lease Expense (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Lease expense        
Operating lease $ 128 $ 133 $ 257 $ 268
Short-term lease expense 37 29 71 65
Total $ 165 $ 162 $ 328 $ 333