Leases - Other lease information (Detail) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Cash paid for amounts included in the measurement of lease liabilities
Operating cash flows from operating leases	$ 404	$ 467	$ 1,495	$ 1,419
Operating cash flows from finance leases	6	8	21	27
Financing cash flows from finance leases	$ 41	$ 35	$ 119	$ 104
Weighted average remaining lease term
Operating leases	1 year 9 months 18 days		1 year 9 months 18 days		2 years 6 months
Finance leases	2 years 3 months 18 days		2 years 3 months 18 days		2 years 10 months 24 days
Weighted average discount rate
Operating leases	6.60%		6.60%		6.80%
Finance leases	7.00%		7.00%		7.10%

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Amount of financing cash flows from finance leases.

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Amount of interest paid on finance lease liability.

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Weighted average discount rate for finance lease calculated at point in time.

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Weighted average remaining lease term for finance lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

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Weighted average discount rate for operating lease calculated at point in time.

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Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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