Significant Accounting Policies - Franchise Taxes (Details) - Iris Parent Holding Corp - USD ($) |
3 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|
Mar. 31, 2025 |
Mar. 31, 2024 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Franchise tax, penalties and interest | $ 255 | $ 247 | $ 405 | $ 378 |
| Accrued franchise tax liability | $ 1,060 | $ 805 | $ 805 | $ 400 |