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Galectin Sciences LLC (Details) - USD ($) | 1 Months Ended | 3 Months Ended | 12 Months Ended | 84 Months Ended | 120 Months Ended
--- | --- | --- | --- | --- | ---
Jan. 31, 2014 | Dec. 31, 2014 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2014 | Dec. 31, 2021 | Dec. 31, 2023
Investments in and Advances to Affiliates, Schedule of Investments [Abstract] |  |  |  |  |  |  |
Amount expanded in cash |  |  | $ (10,540,000) | $ 7,068,000 |  |  |
Galectin Sciences, LLC [Member] |  |  |  |  |  |  |
Investments in and Advances to Affiliates, Schedule of Investments [Abstract] |  |  |  |  |  |  |
Initial cash investment | $ 400,000 |  |  |  |  |  |
Ownership percentage |  |  | 85.30% |  |  |  |
Amount expanded in cash |  | $ 400,000 |  |  |  |  |
Contribution for expenses |  | $ 73,000 | $ 350,000 | $ 561,000 |  | $ 2,552,000 |
Loss from equity method investment |  |  |  |  | $ 400,000 |  |
Non-cash charge for in-process research and development |  |  |  |  | $ 200,000 |  |
Galectin Sciences, LLC [Member] | SBH [Member] |  |  |  |  |  |  |
Investments in and Advances to Affiliates, Schedule of Investments [Abstract] |  |  |  |  |  |  |
Ownership percentage | 50.00% |  |  |  |  |  |
Contribution for expenses |  |  |  |  |  |  | $ 711,000
Galectin Sciences, LLC [Member] | SBH [Member] | IPR&D [Member] |  |  |  |  |  |  |
Investments in and Advances to Affiliates, Schedule of Investments [Abstract] |  |  |  |  |  |  |
Estimated fair value of asset contributed to joint venture | $ 400,000 |  |  |  |  |  |

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