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Per share amounts | 12 Months Ended
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Dec. 31, 2020
Per Share Amounts [Abstract] |
Per share amounts | 22. Per share amounts Per share amounts have been calculated based on the weighted average number of common shares outstanding during the period. The weighted average number of paid shares outstanding in 2020 was 395,829,380 (2019 - 395,796,677).
|  | 2020 |  |  | 2019
Basic earnings (loss) per share computation |  |  |  |  |
Net earnings (loss) attributable to equity holders | $ | (53,169) |  | $ | 74,000
Weighted average common shares outstanding |  | 395,829 |  |  | 395,797
Basic earnings (loss) per common share | $ | (0.13) |  | $ | 0.19
Diluted earnings (loss) per share computation |  |  |  |  |
Net earnings (loss) attributable to equity holders | $ | (53,169) |  | $ | 74,000
Weighted average common shares outstanding |  | 395,829 |  |  | 395,797
Dilutive effect of stock options |  | 214 |  |  | 258
Weighted average common shares outstanding, assuming dilution |  | 396,043 |  |  | 396,055
Diluted earnings (loss) per common share | $ | (0.13) |  | $ | 0.19

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 33 -IssueDate 2020-01-01 -Section Disclosure -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=33&code=ifrs-tx-2020-en-r&doctype=Standard&dita_xref=IAS33_g70-73A_TI -URIDate 2020-01-01 + Details
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