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Leases - (Details - Lease expense) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Lease expense        
Operating lease expense $ 76 $ 76 $ 228 $ 228
Variable lease expense 17 18 48 50
Total lease expense $ 93 $ 94 $ 276 $ 278