Summary of Significant Accounting Policies - Additional Information (Detail) |
12 Months Ended | ||
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Dec. 31, 2025
USD ($)
Segment
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Dec. 31, 2024
USD ($)
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Dec. 31, 2023
USD ($)
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| Summary Of Significant Accounting Policies [Line Items] | |||
| Revenue | $ 0 | $ 1,017,000 | $ 0 |
| Asset impairment charges | 0 | 0 | $ 0 |
| Assets held for sale | 0 | $ 0 | |
| Significant interest or penalties incurred related to income taxes | $ 0 | ||
| Number of reportable segment | Segment | 1 | ||
| Number of operating segments | Segment | 1 | ||
| Minimum | |||
| Summary Of Significant Accounting Policies [Line Items] | |||
| Property and equipment, estimated useful lives | 3 years | ||
| Maximum | |||
| Summary Of Significant Accounting Policies [Line Items] | |||
| Property and equipment, estimated useful lives | 7 years | ||
| Revenue | Customer | Two Customers | |||
| Summary Of Significant Accounting Policies [Line Items] | |||
| Concentration risk percentage | 100.00% | ||
| X | ||||||||||
- Definition Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount classified as assets attributable to disposal group held for sale or disposed of. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The sum of the amounts of estimated penalties and interest recognized in the period arising from income tax examinations. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. No definition available.
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- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Summary of significant accounting policies. No definition available.
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