Stock-Based Compensation - Schedule of Stock-based Compensation Expense (Details) - USD ($) $ in Thousands |
6 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Schedule of Stock-based Compensation Expense [Line Items] | ||||
| Total stock-based compensation expense | $ 1,099 | $ 1,239 | $ 1,941 | $ 383 |
| Research and development [Member] | ||||
| Schedule of Stock-based Compensation Expense [Line Items] | ||||
| Total stock-based compensation expense | 331 | 947 | 1,416 | 224 |
| Selling, general, and administrative [Member] | ||||
| Schedule of Stock-based Compensation Expense [Line Items] | ||||
| Total stock-based compensation expense | $ 768 | $ 292 | $ 525 | $ 159 |