Loss per share (Details 1) - shares |
1 Months Ended | 3 Months Ended | 4 Months Ended | 6 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|---|---|---|
Sep. 30, 2024 |
Dec. 31, 2024 |
Oct. 31, 2026 |
Jun. 30, 2026 |
Jun. 30, 2025 |
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Entity Information [Line Items] | |||||||
| Number of ordinary shares issued at January 1 | 50,000 | ||||||
| Weighted-average number of ordinary shares at June 30 | 50,000 | 50,000 | 50,000 | 50,000 | |||
| CubeBio Co., Ltd. [Member] | |||||||
| Entity Information [Line Items] | |||||||
| Number of ordinary shares issued at January 1 | 562,500 | 48,982,075 | 48,361,075 | 48,361,075 | 42,716,210 | ||
| Disposal of treasury shares | 1,326 | 2,762 | |||||
| Share options exercised | 1,324,220 | ||||||
| Bond with warrants exercised | 217,441 | 734,268 | |||||
| Acquisition of treasury shares | 52,055 | 450,821 | |||||
| Weighted-average number of ordinary shares at June 30 | 48,983,401 | 48,363,837 | 48,630,571 | 45,225,519 | |||