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Earnings per share (Tables) | 12 Months Ended
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Dec. 31, 2021
Earnings per share |
Schedule of computation of basic and diluted EPS | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Year Ended December 31,
​ |  | 2021 |  | 2020
Net income from continuing operations attributable to Consolidated Water Co. Ltd. stockholders | ​ | $ | 3,449,658 | ​ | $ | 8,613,771
Less: preferred stock dividends | ​ |  | (10,796) | ​ |  | (11,740)
Net income from continuing operations available to common shares in the determination of basic earnings per common share | ​ |  | 3,438,862 | ​ |  | 8,602,031
Total loss from discontinued operations | ​ |  | (2,574,079) | ​ |  | (4,902,243)
Net income available to common shares in the determination of basic earnings per common share | ​ | $ | 864,783 | ​ | $ | 3,699,788
​ | ​ | ​ | ​ | ​ | ​ | ​
Weighted average number of common shares in the determination of basic earnings per common share attributable to Consolidated Water Co. Ltd. common stockholders | ​ |  | 15,213,816 | ​ |  | 15,119,305
Plus: | ​ |  | ​ | ​ |  | ​
Weighted average number of preferred shares outstanding during the period | ​ |  | 30,348 | ​ |  | 33,814
Potential dilutive effect of unexercised options and unvested stock grants | ​ |  | 65,981 | ​ |  | 70,836
Weighted average number of shares used for determining diluted earnings per common share attributable to Consolidated Water Co. Ltd. common stockholders | ​ |  | 15,310,145 | ​ |  | 15,223,955

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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