v3.25.4
Balance Sheet Components (Details) - USD ($)
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Dec. 31, 2024
Dec. 31, 2023
Balance Sheet Components [Line Items]            
Depreciation and amortization expense         $ 130,000 $ 158,000
Depreciation and amortization expense $ 28,000 $ 30,000 $ 84,000 $ 100,000