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v3.25.4

Convertible Preferred Shares and Shareholders' Equity (Deficit) - Narrative (Details) $ / shares in Units, $ in Millions |  | 1 Months Ended | 7 Months Ended |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Sep. 19, 2024 USD ($) $ / shares shares | Jun. 30, 2025 shares | Dec. 31, 2025 vote $ / shares shares | Jun. 16, 2025 $ / shares | Jun. 15, 2025 $ / shares | Jun. 13, 2025 $ / shares shares | Jun. 12, 2025 $ / shares | Feb. 14, 2025 $ / shares | Dec. 31, 2024 $ / shares shares
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |
Common stock, authorized (in shares) |  |  | 175,000,000 |  |  |  |  |  | 40,000,000
Common stock, par value (in dollars per share) | $ / shares |  |  | $ 0.001 | $ 0.001 | $ 0.001 | $ 0.001 |  |  | $ 0.001
Common stock, issued (in shares) |  |  | 27,556,767 |  |  |  |  |  | 1,018,604
Common stock, outstanding (in shares) |  |  | 27,556,767 |  |  |  |  |  | 1,018,604
Common stock, number of votes | vote |  |  | 1 |  |  |  |  |  |
Common stock reserved for issuance of conversion shares (in shares) |  |  | 14,124,815 |  |  |  |  |  |
Pre-Funded Warrant |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |
Estimated purchase price warrants (in dollars per share) | $ / shares |  |  | $ 0.001 |  |  | $ 0.001 | $ 1.9109 | $ 1.9109 |
Estimated purchase price (in dollars per share) | $ / shares |  |  | $ 13.410 |  |  |  | $ 13.22 |  |
Warrants, exercisable (in shares) |  |  | 131,434 |  |  |  |  |  |
Warrants exercised (in shares) |  |  | 0 |  |  |  |  |  |
Ordinary Shares |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |
Estimated purchase price (in dollars per share) | $ / shares |  |  |  |  |  |  |  | $ 1.9110 |
Warrants, exercisable (in shares) |  |  |  |  |  | 2,767,122 |  |  |
Series Seed Convertible Preferred Stock | Related Party | Fairmount Healthcare Fund II L.P. |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |
Convertible preferred stock, issued (in shares) | 20,000,000 |  |  |  |  |  |  |  |
Convertible preferred stock, purchase price (in dollars per share) | $ / shares | $ 0.20 |  |  |  |  |  |  |  |
Issuance of convertible preferred stock | $ | $ 4.0 |  |  |  |  |  |  |  |
Series A Preferred Stock |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |
Number of exercisable shares (in shares) |  | 2,890 |  |  |  |  |  |  |
Convertible preferred stock, conversion ratio |  |  | 1,000 |  |  |  |  |  |
RSAs |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |
Common stock, issued (in shares) |  |  | 168,215 |  |  |  |  |  |
Common stock, outstanding (in shares) |  |  | 168,215 |  |  |  |  |  |
Early Exercised Stock Options |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |
Common stock, issued (in shares) |  |  | 811 |  |  |  |  |  |
Common stock, outstanding (in shares) |  |  | 811 |  |  |  |  |  |

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