Segment Information - Summary of expense categories regularly reviewed by the CODM (Details) - USD ($) |
3 Months Ended | 4 Months Ended | 6 Months Ended | 12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Feb. 25, 2026 |
Jun. 30, 2026 |
Dec. 31, 2025 |
Jun. 30, 2026 |
Dec. 31, 2024 |
Jun. 30, 2026 |
Jun. 30, 2025 |
Dec. 31, 2025 |
Dec. 31, 2024 |
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| General and administrative costs | |||||||||||||
| Total general and administrative costs | $ 33,697 | $ 184,418 | $ 249,667 | ||||||||||
| OHB Pediatrics Ltd [Member] | |||||||||||||
| General and administrative costs | |||||||||||||
| Personnel costs | $ 643,000 | $ 51,000 | $ 167,000 | $ 0 | |||||||||
| Professional Fees | 2,051,000 | 659,000 | 1,102,000 | ||||||||||
| Other general and administrative costs | [1] | 119,000 | 0 | 28,000 | 15,000 | ||||||||
| Total general and administrative costs | $ 15,000 | 2,813,000 | 710,000 | 1,297,000 | 15,000 | ||||||||
| Research and development costs | |||||||||||||
| License costs | 0 | 500,000 | 4,000,000 | 0 | |||||||||
| Clinical research | 8,595,000 | 1,310,000 | 8,211,000 | 342,000 | |||||||||
| Personnel costs | 2,066,000 | 394,000 | 2,068,000 | 0 | |||||||||
| Other research and development costs | [2] | 34,000 | 6,000 | 23,000 | 0 | ||||||||
| Total research and development costs | $ 1,000,000 | 342,000 | 10,695,000 | 2,210,000 | 14,302,000 | 342,000 | |||||||
| Total operating expenses | $ 357,000 | $ 13,508,000 | $ 2,920,000 | $ 15,599,000 | $ 357,000 | ||||||||
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