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Contributed Surplus (Tables) | 12 Months Ended
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Dec. 31, 2022
Disclosure of Contribution surplus [Abstract] |
Summary of Contribution surplus | Contributed surplus consists of accumulated stock option expense less the fair value of the options at the grant date that have been exercised and reclassified to share capital. Changes in contributed surplus were as follows:
December 31, |  | 2022 |  |  | 2021 |
Balance, January 1 |  | $ | 658,615 |  |  | $ | 656,832 |
Share-based compensation |  |  | 1,558 |  |  |  | 1,783 |
Exercise of stock options |  |  | (101 | ) |  |  | - |
Closing balance |  | $ | 660,072 |  |  | $ | 658,615 |

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