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Income (loss) per share
9 Months Ended
Sep. 30, 2022
Earnings per share [abstract]  
Income (loss) per share Income (loss) per share
The following table summarizes the calculation of the weighted average number of basic and diluted common shares:
Three months ended September 30,
Nine months ended September 30,
2022
2021
2022
2021
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Weighted average number of basic Common Shares33,044,250 32,834,833 33,024,887 32,809,397 
Share options815,863 1,228,881 850,888 — 
DSUs84,254 59,058 68,749 — 
RSUs125,321 — 88,142 — 
Weighted average number of diluted Common Shares34,069,688 34,122,772 34,032,666 32,809,397 

For the three and nine months ended September 30, 2022, nil and 15,991, respectively (three and nine months ended September 30, 2021 – nil and all share options and units, respectively) share options were excluded from the weighted average number of diluted common shares as their effect would have been anti-dilutive.