Share-Based Compensation (Tables)
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3 Months Ended |
Mar. 31, 2026 |
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| Share-Based Compensation |
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| Schedule of outstanding and exercisable options |
| | | | | | | | | | | | | | | | | 2026 | | | | | | | | | | | | | | Weighted | | | Number | | | | average | | | of shares | | | | exercise | | | 2019 Plan | | Inducement Plan | | 2011 Plan | | Total | | price | Outstanding at beginning of period - 2011 Plan | | | — | | | — | | | 1,294,691 | | 1,294,691 | | $ | 2.23 | Outstanding at beginning of period - 2019 Plan | | | 8,591,306 | | | — | | | — | | 8,591,306 | | | 4.21 | Outstanding at beginning of period - Inducement Plan | | | — | | | 710,000 | | | — | | 710,000 | | | 4.76 | Granted - 2019 Plan | | | 2,131,500 | | | — | | | — | | 2,131,500 | | | 1.95 | Granted - Inducement Plan | | | — | | | 419,000 | | | — | | 419,000 | | | 1.96 | Outstanding at end of period | | | 10,722,806 | | | 1,129,000 | | | 1,294,691 | | 13,146,497 | | $ | 3.60 | Outstanding at end of period - Weighted average exercise price | | $ | 3.76 | | $ | 3.72 | | $ | 2.23 | | | | | | Exercisable at end of period | | | 6,260,668 | | | 478,855 | | | 1,294,691 | | 8,034,214 | | $ | 4.61 | Exercisable at end of period - Weighted average exercise price | | $ | 4.99 | | $ | 5.99 | | $ | 2.23 | | | | | |
| | | | | | | | | | | | | | | | | 2025 | | | | | | | | | | | | | | Weighted | | | Number | | | | average | | | of shares | | | | exercise | | | 2019 Plan | | Inducement Plan | | 2011 Plan | | Total | | price | Outstanding at beginning of period - 2011 Plan | | | — | | | — | | | 1,632,485 | | 1,632,485 | | $ | 2.11 | Outstanding at beginning of period - 2019 Plan | | | 7,604,606 | | | — | | | — | | 7,604,606 | | | 4.97 | Outstanding at beginning of period - Inducement Plan | | | — | | | 496,000 | | | — | | 496,000 | | | 5.99 | Granted - 2019 Plan | | | 1,151,400 | | | — | | | — | | 1,151,400 | | | 2.02 | Granted - Inducement Plan | | | — | | | 244,000 | | | — | | 244,000 | | | 2.01 | Outstanding at end of period | | | 8,756,006 | | | 740,000 | | | 1,632,485 | | 11,128,491 | | $ | 4.22 | Outstanding at end of period - Weighted average exercise price | | $ | 4.58 | | $ | 4.68 | | $ | 2.11 | | | | | | Exercisable at end of period | | | 5,795,146 | | | 350,292 | | | 1,632,485 | | 7,777,923 | | $ | 4.85 | Exercisable at end of period - Weighted average exercise price | | $ | 5.54 | | $ | 6.22 | | $ | 2.11 | | | | | |
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| Schedule of non-vested share options activity |
| | | | | | | | | | | | | | | | | 2026 | | | Number | | | | Weighted | | | of options | | | | average | | | 2019 Plan | | Inducement Plan | | 2011 Plan | | Total | | fair value | Non-vested share options at beginning of period - 2019 Plan | | | 2,953,423 | | | — | | | — | | 2,953,423 | | $ | 1.77 | Non-vested share options at beginning of period - Inducement Plan | | | — | | | 301,917 | | | — | | 301,917 | | | 2.03 | Granted - 2019 Plan | | | 2,131,500 | | | — | | | — | | 2,131,500 | | | 1.74 | Granted - Inducement Plan | | | — | | | 419,000 | | | — | | 419,000 | | | 1.75 | Vested, outstanding 2011 Plan | | | — | | | — | | | — | | — | | | — | Vested, outstanding - 2019 Plan | | | (622,785) | | | — | | | — | | (622,785) | | | 2.11 | Vested, outstanding - Inducement Plan | | | — | | | (70,772) | | | — | | (70,772) | | | 2.61 | Forfeited - 2011 Plan | | | — | | | — | | | — | | — | | | — | Expired - 2019 | | | — | | | — | | | — | | — | | | — | Forfeited - Inducement Plan | | | — | | | — | | | — | | — | | | — | Forfeited - 2019 Plan | | | — | | | — | | | — | | — | | | - | Non-vested share options at end of period | | | 4,462,138 | | | 650,145 | | | — | | 5,112,283 | | $ | 1.72 | Non-vested share options at end of period - Weighted average fair value | | $ | 1.71 | | $ | 1.79 | | $ | — | | | | | |
| | | | | | | | | | | | | | | | | 2025 | | | Number | | | | Weighted | | | of options | | | | average | | | 2019 Plan | | Inducement Plan | | 2011 Plan | | Total | | fair value | Non-vested share options at beginning of period - 2019 Plan | | | 2,754,054 | | | — | | | — | | 2,754,054 | | $ | 2.33 | Non-vested share options at beginning of period - Inducement Plan | | | — | | | 176,709 | | | — | | 176,709 | | | 4.19 | Granted - 2019 Plan | | | 1,151,400 | | | — | | | — | | 1,151,400 | | | 1.64 | Granted - Inducement Plan | | | — | | | 244,000 | | | — | | 244,000 | | | 2 | Vested, outstanding - 2019 Plan | | | (944,594) | | | — | | | — | | (944,594) | | | 2.12 | Vested, outstanding - Inducement Plan | | | — | | | (31,001) | | | — | | (31,001) | | | 4.53 | Non-vested share options at end of period | | | 2,960,860 | | | 389,708 | | | — | | 3,350,568 | | $ | 2.18 | Non-vested share options at end of period - Weighted average fair value | | $ | 2.13 | | $ | 2.54 | | $ | — | | | | | |
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| Schedule of weighted average assumptions for the options granted |
| | | | | | | | | Three months ended March 31, | | | | 2026 | | 2025 | | | Exercise price | $ | 1.95 | | $ | 2.02 | | | Share price | $ | 1.95 | | $ | 2.02 | | | Volatility | | 126 | % | | 100 | % | | Risk-free interest rate | | 3.91 | % | | 4.39 | % | | Expected life | | 6.07 years | | | 6.08 years | | | Dividend | | 0 | % | | 0 | % | |
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| Schedule of restricted stock units |
The total outstanding RSUs from the 2019 Plan as of and for the three-month period ending March 31 were as follows: | | | | | | | | | | | | | | 2026 | | | 2025 | | | | | Weighted | | | | | Weighted | | | Number | | average | | | Number | | average | | | of shares | | exercise | | | of shares | | exercise | | | | | price | | | | | price | Outstanding at beginning of period | | 950,700 | | $ | 2.02 | | | — | | $ | — | Granted | | 1,591,650 | | | 1.99 | | | 988,850 | | | 2.02 | Vested | | (237,677) | | | 2.02 | | | — | | | — | Forfeited | | — | | | — | | | — | | | — | Outstanding at end of period | | 2,304,673 | | $ | 2.00 | | | 988,850 | | $ | 2.02 |
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| Schedule of share-based compensation expense |
| | | | | | | Three months ended March 31, | | 2026 | | 2025 | Administration | $ | 637 | | $ | 737 | Research and development | | 401 | | | 431 | Commercial activities | | 244 | | | 183 | Total | $ | 1,282 | | $ | 1,351 |
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