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Net Loss per Common Share | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2025 | Dec. 31, 2024
Basic and diluted earnings per common share: |  |
Net Loss per Common Share | 4. Net Loss per Common Share The Company calculates net loss per common share in accordance with ASC 260 “Earnings Per Share” (“ASC 260”). Basic and diluted net loss per common share was determined by dividing net loss applicable to common stockholders by the weighted average number of shares of common stock outstanding during the period. The following potentially dilutive securities have not been included in the computation of diluted net loss per share for the three months ended March 31, 2025 and 2024, as the result would be anti-dilutive: Schedule of Earnings Per Share, Basic and Diluted
|  | March 31, |  |  | March 31, |
|  | 2025 |  |  | 2024 |
Stock options |  |  | 25,259 |  |  |  | 619 |
Restricted Stock Units |  |  | 136 |  |  |  | 187 |
6% convertible exchangeable preferred stock |  |  | 0 |  |  |  | 0 |
Series A preferred stock |  |  | 2 |  |  |  | 2 |
Series D preferred stock |  |  | 162,588 |  |  |  | — |
Series E preferred stock |  |  | 458,333 |  |  |  | — |
Common stock warrants |  |  | 101,905 |  |  |  | 2,648 |
Total shares excluded from calculation |  |  | 748,224 |  |  |  | 3,456 |
| 15. Net Loss Per Share Net Loss per Common Share Basic and diluted net loss per share attributable to common stockholders was calculated as follows: Schedule of Basic and Diluted Net Loss Per Share
|  | 2024 |  |  | 2023 |
|  | Years ended December 31, |
|  | 2024 |  |  | 2023 |
Numerator: |  |  |  |  |  |  |  |
Net loss |  | $ | (11,212 | ) |  | $ | (22,555 | )
Dividend on convertible exchangeable preferred shares |  |  | — |  |  |  | (201 | )
Net loss attributable to common shareholders |  | $ | (11,212 | ) |  | $ | (22,756 | )
Denominator: |  |  |  |  |  |  |  |
Weighted-average number of common shares used in loss per share – basic and diluted |  |  | 22,314 |  |  |  | 3,545 |
Loss per share - basic and diluted |  | $ | (502.46 | ) |  | $ | (6,419.07 | )
Potential dilutive securities have been excluded from the computation of diluted net loss per share as the effect would be to reduce the net loss per share. Therefore, the weighted average number of common shares outstanding used to calculate both basic and diluted net loss per share attributable to common stockholders is the same. The Company excluded the following potential common shares, presented based on amounts outstanding at each period end, from the computation of diluted net loss per share attributable to common stockholders for the periods indicated because including them would have had an anti-dilutive effect: Schedule of antidilutive shares excluded from computation of diluted net loss per share
|  | December 31, |  |  | December 31, |
|  | 2024 |  |  | 2023 |
Stock options |  |  | 494 |  |  |  | 595 |
Restricted Stock Units |  |  | 164 |  |  |  | 144 |
6% convertible exchangeable preferred stock |  |  | 0 |  |  |  | 0 |
Series A preferred stock |  |  | 2 |  |  |  | 2 |
Series B preferred stock |  |  | — |  |  |  | 165 |
Common stock warrants |  |  | 117,182 |  |  |  | 2,648 |
Total shares excluded from calculation |  |  | 117,842 |  |  |  | 3,554 |

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