Segment Information - Schedule of Segment Information (Details) - USD ($) |
3 Months Ended | 7 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|---|
Mar. 31, 2026 |
Dec. 31, 2025 |
Mar. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2025 |
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| Segment Reporting [Line Items] | |||||
| Cash | $ 0 | $ 0 | $ 0 | ||
| General and administrative expenses | 139,635 | 145,382 | |||
| Mountain Lake Acquisition Corp. | |||||
| Segment Reporting [Line Items] | |||||
| Cash | 66,568 | 452,680 | $ 1,383,392 | 452,680 | |
| Cash and investments held in Trust Account | 243,344,159 | 241,230,572 | 231,643,853 | 241,230,572 | |
| General and administrative expenses | 389,571 | $ 320,783 | 50,736 | 1,304,773 | |
| Interest earned on cash and marketable securities held in Trust Account | 2,113,587 | 2,339,304 | 493,853 | 9,586,719 | |
| Mountain Lake Acquisition Corp. | Single Reportable Segment [Member] | |||||
| Segment Reporting [Line Items] | |||||
| Cash | 66,568 | 452,680 | 1,383,392 | 452,680 | |
| Cash and investments held in Trust Account | 243,344,159 | $ 241,230,572 | 231,643,853 | 241,230,572 | |
| General and administrative expenses | 389,571 | 320,783 | 50,736 | 1,304,773 | |
| Interest earned on cash and marketable securities held in Trust Account | $ 2,113,587 | $ 2,339,304 | $ 493,853 | $ 9,586,719 | |
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- Definition The amount of cash, securities, or other assets held by a third-party trustee pursuant to the terms of an agreement which assets are available to be used by beneficiaries to that agreement only within the specific terms thereof and which agreement is expected to terminate more than one year from the balance sheet date (or operating cycle, if longer) at which time the assets held-in-trust will be released or forfeited. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Excludes cash and cash equivalents within disposal group and discontinued operation. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- 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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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