Related Party Agreements (Narrative) (Details) - Parent Company - Fortress Biotech, Inc - USD ($) $ in Millions |
3 Months Ended | 12 Months Ended | |||
|---|---|---|---|---|---|
Jan. 01, 2026 |
Jul. 22, 2016 |
Mar. 31, 2026 |
Mar. 31, 2025 |
Dec. 31, 2025 |
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| Management Services Agreement (MSA) | |||||
| Related Party Agreements | |||||
| Percentage of annual fees expense related to Management Services Agreement recorded in research and development expenses | 50.00% | 50.00% | |||
| Percentage of annual fees expense related to Management Services Agreement recorded in general and administrative expenses | 50.00% | 50.00% | |||
| Expenses from related party transaction | $ 0.1 | $ 0.1 | |||
| Founders Agreement | |||||
| Related Party Agreements | |||||
| Expenses from related party transaction | $ 0.2 | ||||
| Percentage of fully diluted equity | 2.50% | 2.50% | |||
| Shares issued for services (in shares) | 278,385 | 67,806 | |||
| Research and development for expense acquired | $ 0.3 | ||||
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- Definition Represents the percentage of diluted outstanding equity paid as equity fee or used to calculate stock issuance to maintain parity. No definition available.
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- Definition Percentage of annual fees expense related to Management Services Agreement recorded in general and administrative expenses No definition available.
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- Definition Percentage of annual fees expense related to Management Services Agreement recorded in research and development expenses No definition available.
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- Definition Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Excludes Selling, General and Administrative Expense. No definition available.
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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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- Definition Amount of writeoff for research and development asset acquired in transaction other than business combination or from joint venture formation or both. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Number of shares issued in lieu of cash for services contributed to the entity. Number of shares includes, but is not limited to, shares issued for services contributed by vendors and founders. No definition available.
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