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Stockholders' equity - Warrants Outstanding (Details) | Jun. 30, 2026 $ / shares shares
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Stockholders' equity |
Number of warrants | 89,638,517
March 2024 Tranche A Warrants |
Stockholders' equity |
Number of warrants | 1,097,394
Exercise price per share | $ / shares | $ 7.29
March 2024 Tranche B Warrants |
Stockholders' equity |
Number of warrants | 1,097,394
Exercise price per share | $ / shares | $ 9.1125
March 2024 Pre-Funded Warrants |
Stockholders' equity |
Number of warrants | 415,870
Exercise price per share | $ / shares | $ 0.001
December 2025 Pre-Funded Warrants |
Stockholders' equity |
Number of warrants | 21,459
Exercise price per share | $ / shares | $ 0.001
December 2025 Warrants |
Stockholders' equity |
Number of warrants | 2,880,533
Exercise price per share | $ / shares | $ 1.04
January 2026 Pre-Funded Warrants |
Stockholders' equity |
Number of warrants | 3,487,584
Exercise price per share | $ / shares | $ 0.001
January 2026 Warrants |
Stockholders' equity |
Number of warrants | 6,288,857
Exercise price per share | $ / shares | $ 0.765
March 2026 Pre-Funded Warrants |
Stockholders' equity |
Number of warrants | 37,174,713
Exercise price per share | $ / shares | $ 0.001
March 2026 Warrants |
Stockholders' equity |
Number of warrants | 37,174,713
Exercise price per share | $ / shares | $ 0.683

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