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Property and Equipment, Net - Additional Information (Detail) - USD ($)	3 Months Ended			9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Mar. 31, 2024	Sep. 30, 2025	Sep. 30, 2024
Property Plant And Equipment [Line Items]
Depreciation expense	$ 2,000	$ 7,000		$ 30,000	$ 92,000
Impairment of property and equipment			$ 36,000	$ 0	$ 36,000

X

- Definition

Disposal group including discontinued operation impairment of property and equipment.

+ References

No definition available.

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X

- Definition

The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

+ References

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X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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