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Significant Accounting Policies (Narrative) (Details) | 1 Months Ended | 12 Months Ended
--- | --- | ---
Oct. 31, 2024 USD ($) | Jul. 31, 2016 shares | Dec. 31, 2024 USD ($) subsidiary segment shares | Dec. 31, 2023 USD ($)
Significant Accounting Policies |  |  |  |
Number of subsidiaries | subsidiary |  |  | 0 |
Number of operating segments | segment |  |  | 1 |
Restricted cash |  |  | $ 0 | $ 750,000
Estimated useful life |  |  | 5 years |
Deemed dividend for issuance of warrants | $ 7,800,000 |  |  |
Accumulated other comprehensive loss |  |  | $ 0 |
Class A common stock and Class A preferred stock, rights to convert to number of common shares | shares |  |  | 1,461 |
Existing Warrants |  |  |  |
Significant Accounting Policies |  |  |  |
Amount of deemed dividend | $ 7,800,000 |  |  |
Assets held for sale, not discontinued operations |  |  |  |
Significant Accounting Policies |  |  |  |
Property, plant and equipment, held for sale |  |  | $ 1,200,000 |
Fortress Biotech, Inc |  |  |  |
Significant Accounting Policies |  |  |  |
Percentage of fully diluted equity |  |  | 2.50% | 2.50%
Fortress Biotech, Inc | Class A Preferred Shares |  |  |  |
Significant Accounting Policies |  |  |  |
Preferred stock dividends issued (in shares) | shares |  | 250,000 |  |
Percentage of fully diluted equity |  | 2.50% |  |

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