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Earnings per share (Tables) | 3 Months Ended
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Mar. 31, 2021
Earnings per share |
Schedule of computation of basic and diluted EPS | The following summarizes information related to the computation of basic and diluted EPS: ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Three Months Ended March 31,
​ |  | 2021 |  | 2020
Net income from continuing operations attributable to Consolidated Water Co. Ltd. stockholders | ​ | $ | 1,301,566 | ​ | $ | 3,204,972
Less: preferred stock dividends | ​ |  | (2,559) | ​ |  | (2,869)
Net income from continuing operations available to common shares in the determination of basic earnings per common share | ​ |  | 1,299,007 | ​ |  | 3,202,103
Total loss from discontinued operations | ​ |  | (312,794) | ​ |  | (316,365)
Net income available to common shares in the determination of basic earnings per common share | ​ | $ | 986,213 | ​ | $ | 2,885,738
​ | ​ | ​ | ​ | ​ | ​ | ​
Weighted average number of common shares in the determination of basic earnings per common share attributable to Consolidated Water Co. Ltd. common stockholders | ​ |  | 15,201,458 | ​ |  | 15,114,506
Plus: | ​ |  | ​ | ​ |  | ​
Weighted average number of preferred shares outstanding during the period | ​ |  | 30,469 | ​ |  | 33,751
Potential dilutive effect of unexercised options and unvested stock grants | ​ |  | 124,915 | ​ |  | 120,627
Weighted average number of shares used for determining diluted earnings per common share attributable to Consolidated Water Co. Ltd. common stockholders | ​ |  | 15,356,842 | ​ |  | 15,268,884

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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=6371337&loc=d3e3550-109257 + Details
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