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v3.25.1

Subsequent Events (Details) - USD ($) $ / shares in Units, $ in Millions |  |  |  | 3 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
May 08, 2025 | Apr. 29, 2025 | Sep. 27, 2024 | Mar. 31, 2025 | Mar. 31, 2024 | Dec. 31, 2024 | Aug. 15, 2024
Subsequent events |  |  |  |  |  |  |
Options, Granted (in shares) |  |  |  | 0 | 0 |  |
Common stock, par value (in dollars per share) |  |  |  | $ 0.001 |  | $ 0.001 | $ 0.001
Public Offering |  |  |  |  |  |  |
Subsequent events |  |  |  |  |  |  |
Gross proceeds |  |  | $ 2.5 |  |  |  |
Issuance of common stock and warrants, net of issuance costs ( in shares) |  |  | 918,600 |  |  |  |
Offering price |  |  | $ 1.75 |  |  |  |
Warrants, offering price |  |  | $ 1.7499 |  |  |  |
Percentage of shares outstanding for exercise of warrants |  |  | 4.99% |  |  |  |
Percentage of shares outstanding for exercise of warrants at the election of holder |  |  | 9.99% |  |  |  |
Notice period |  |  | 61 days |  |  |  |
Threshold percentage of shares outstanding for exercise of warrants |  |  | 9.99% |  |  |  |
Public Offering | Pre-funded warrants |  |  |  |  |  |  |
Subsequent events |  |  |  |  |  |  |
Number of warrants to purchase shares |  |  | 510,000 |  |  |  |
Class of warrant or right, number of securities called by each warrant or right |  |  | 1 |  |  |  |
Exercise price per warrant |  |  | $ 0.0001 |  |  |  |
Public Offering | Common warrants |  |  |  |  |  |  |
Subsequent events |  |  |  |  |  |  |
Number of warrants to purchase shares |  |  | 1,428,600 |  |  |  |
Class of warrant or right, number of securities called by each warrant or right |  |  | 1 |  |  |  |
Exercise price per warrant |  |  | $ 2 |  |  |  |
Expected life of warrant (years) |  |  | 5 years |  |  |  |
Subsequent events | Public Offering |  |  |  |  |  |  |
Subsequent events |  |  |  |  |  |  |
Gross proceeds | $ 7.5 |  |  |  |  |  |
Issuance of common stock and warrants, net of issuance costs ( in shares) | 1,990,900 |  |  |  |  |  |
Offering price | $ 1.1 |  |  |  |  |  |
Warrants, offering price | $ 1.099 |  |  |  |  |  |
Percentage of shares outstanding for exercise of warrants | 4.99% |  |  |  |  |  |
Percentage of shares outstanding for exercise of warrants at the election of holder | 9.99% |  |  |  |  |  |
Notice period | 61 days |  |  |  |  |  |
Threshold percentage of shares outstanding for exercise of warrants | 9.99% |  |  |  |  |  |
Subsequent events | Public Offering | Pre-funded warrants |  |  |  |  |  |  |
Subsequent events |  |  |  |  |  |  |
Number of warrants to purchase shares | 4,827,280 |  |  |  |  |  |
Class of warrant or right, number of securities called by each warrant or right | 1 |  |  |  |  |  |
Exercise price per warrant | $ 0.001 |  |  |  |  |  |
Subsequent events | Public Offering | Common warrants |  |  |  |  |  |  |
Subsequent events |  |  |  |  |  |  |
Number of warrants to purchase shares | 6,818,180 |  |  |  |  |  |
Class of warrant or right, number of securities called by each warrant or right | 1 |  |  |  |  |  |
Exercise price per warrant | $ 1.1 |  |  |  |  |  |
Expected life of warrant (years) | 5 years |  |  |  |  |  |
Subsequent events | Non-executive director |  |  |  |  |  |  |
Subsequent events |  |  |  |  |  |  |
Options, Granted (in shares) |  | 25,000 |  |  |  |  |
Vesting period |  | 12 months |  |  |  |  |
Expiration period |  | 7 years |  |  |  |  |
Subsequent events | Steven A. Shallcross |  |  |  |  |  |  |
Subsequent events |  |  |  |  |  |  |
Options, Granted (in shares) |  | 190,000 |  |  |  |  |
Vesting period |  | 3 years |  |  |  |  |
Expiration period |  | 7 years |  |  |  |  |
Subsequent events | Employee Stock Option |  |  |  |  |  |  |
Subsequent events |  |  |  |  |  |  |
Options, Granted (in shares) |  | 706,500 |  |  |  |  |
Vesting period |  | 3 years |  |  |  |  |
Expiration period |  | 7 years |  |  |  |  |

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