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Earnings/(loss) per share (Tables) | 12 Months Ended
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Dec. 31, 2022
Earnings Per Share [Abstract] |
Basic and Diluted Earnings Per Share Calculation | The Company calculates basic and diluted earnings per share as follows:
|  | Year Ended December 31, |
|  | 2020 |  |  | 2021 |  |  | 2022 |
Numerator |  |  |  |  |  |  |  |  |  |  |  |
Net income/(loss) |  |  | 11,984,485 |  |  |  | (35,123,208 | ) |  |  | 34,253,365 |
Less: Undistributed earnings allocated to non-vested shares |  |  | — |  |  |  | — |  |  |  | 216,168 |
Net income/(loss) attributable to common shareholders, basic |  |  | 11,984,485 |  |  |  | (35,123,208 | ) |  |  | 34,037,197 |
Denominator |  |  |  |  |  |  |  |
Weighted average number of shares outstanding, basic |  |  | 38,357,893 |  |  |  | 37,858,437 |  |  |  | 37,961,560 |
Weighted average number of shares outstanding, diluted |  |  | 38,357,893 |  |  |  | 37,858,437 |  |  |  | 37,961,673 |
Earnings/(Loss) per share, basic and diluted |  |  | 0.31 |  |  |  | (0.93 | ) |  |  | 0.90 |

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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 https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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