Certain Balance Sheet Accounts - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2022
Property, Plant and Equipment [Line Items]
Write-off of prepaid deposit			$ 347	$ 0
Amortization of intangible assets	$ 109	$ 45	283	75
Capitalized computer software, amortization	85	30	221	30
Impairment charges				1,873
2021 Software Development Project
Property, Plant and Equipment [Line Items]
Capitalized software development costs					$ 1,873
Capitalized computer software, amortization		0		0
Impairment charges	0	1,873	0
Tooling and manufacturing equipment
Property, Plant and Equipment [Line Items]
Depreciation and amortization expense	14	67	58	235
Property and Equipment
Property, Plant and Equipment [Line Items]
Depreciation and amortization expense	$ 32	$ 72	$ 86	$ 256