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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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