Stock-Based Compensation - Stock Based Compensation Expense (Details) - USD ($) $ in Thousands |
7 Months Ended | 12 Months Ended |
|---|---|---|
Jul. 30, 2024 |
Dec. 31, 2025 |
|
| Stock-Based Compensation | ||
| Total stock-based compensation | $ 642 | $ 1,479 |
| Selling, general and administrative | ||
| Stock-Based Compensation | ||
| Total stock-based compensation | 115 | 1,165 |
| Research and development | ||
| Stock-Based Compensation | ||
| Total stock-based compensation | $ 527 | $ 314 |