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Share-Based Compensation - Schedule of Stock Options and Weighted Average Exercise Prices (Details)
 12 Months Ended
Dec. 31, 2024
shares
$ / shares
Dec. 31, 2023
shares
$ / shares
Dec. 31, 2022
shares
$ / shares
Number of options      
Outstanding, beginning of the year (shares) | shares 7,063,333 5,963,185 5,334,420
Granted during the year (shares) | shares 2,016,800 2,145,400 1,005,000
Forfeited during the year (shares) | shares (175,534) (280,288) (62,962)
Expired during the year (shares) | shares (2,028,254) (314,573) (304,940)
Exercised during the year (shares) | shares 0 (450,391) (8,333)
Outstanding, end of the year (shares) | shares 6,876,345 7,063,333 5,963,185
Options exercisable, end of the year (shares) | shares 4,718,058 5,039,604 4,420,482
Weighted Average Exercise Price $      
Outstanding, beginning of the year (cad per share) | $ / shares $ 2.72 $ 2.91 $ 3.53
Granted during the year (cad per share) | $ / shares 1.22 2.23 2.04
Forfeited during the year (cad per share) | $ / shares 2.46 2.86 3.83
Expired during the year (cad per share) | $ / shares 3.22 4.17 10.80
Exercised during the year (cad per share) | $ / shares 0 1.74 1.45
Outstanding, beginning of the year (cad per share) | $ / shares 2.14 2.72 2.91
Options exercisable, end of the year (cad per share) | $ / shares $ 2.43 $ 2.85 $ 3.01