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Condensed Consolidated Balance Sheet Components - Intangible assets (Details) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 USD ($) | Sep. 30, 2025 USD ($)
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets Gross | $ 703 | $ 703
Accumulated amortization | (36) | (36)
Net Carrying Amount | 667 | 667
Finite-lived intangible asset impairment | 0 | 0
Amortization expense of intangible assets | 15 | $ 36
Developed technology |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Weighted Average Life |  | 15 years
Intangible assets Gross | 471 | $ 471
Accumulated amortization | (19) | (19)
Net Carrying Amount | 452 | $ 452
Trade names |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Weighted Average Life |  | 10 years
Intangible assets Gross | 176 | $ 176
Accumulated amortization | (11) | (11)
Net Carrying Amount | 165 | $ 165
Customer relationships |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Weighted Average Life |  | 7 years
Intangible assets Gross | 56 | $ 56
Accumulated amortization | (6) | (6)
Net Carrying Amount | $ 50 | $ 50

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