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EARNINGS PER SHARE (Tables) | 12 Months Ended
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Dec. 31, 2022
Earnings per Share [abstract] |
Schedule of Earnings per Share | ​
​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Years ended December 31,
​ | 2022 |  | 2021
Basic: | ​ | ​ | ​ | ​ | ​
Net (loss) income attributable to Fortuna shareholders | $ | (128,132) | ​ | $ | 57,877
Weighted average number of shares (000's) | ​ | 291,281 | ​ | ​ | 237,998
(Loss) earnings per share - basic | $ | (0.44) | ​ | $ | 0.24
​
​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Years ended December 31,
​ | 2022 |  | 2021
Diluted: | ​ | ​ | ​ | ​ | ​
Net (loss) income attributable to Fortuna shareholders | $ | (128,132) | ​ | $ | 57,877
Add: finance costs on convertible debt, net of $nil tax | ​ | - | ​ | ​ | 3,779
Diluted net (loss) income for the period | $ | (128,132) | ​ | $ | 61,656
​ | ​ | ​ | ​ | ​ | ​
Weighted average number of shares (000's) | ​ | 291,281 | ​ | ​ | 237,998
Incremental shares from dilutive potential shares | ​ | - | ​ | ​ | 11,445
Weighted average diluted number of shares (000's) | ​ | 291,281 | ​ | ​ | 249,443
(Loss) earnings per share - diluted | $ | (0.44) | ​ | $ | 0.23
​

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