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Loss per Share (Tables) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2022 | Dec. 31, 2021
Earnings Per Share [Abstract] |  |
Schedule of loss per share |
|  | For the Three Months Ended |
|  | March 31, 2022 |  |  | March 31, 2021 |
Numerator: |  |  |  |  |  |
Net loss attributable to ABVC’s common stockholders |  | $ | (5,995,440 | ) |  | $ | (1,128,505 | )
Denominator: |  |  |  |  |  |  |  |
Weighted-average shares outstanding: |  |  |  |  |  |  |  |
Weighted-average shares outstanding - Basic |  |  | 29,683,402 |  |  |  | 24,420,526 |
Stock options |  |  | – |  |  |  | – |
Weighted-average shares outstanding - Diluted |  |  | 29,683,402 |  |  |  | 24,420,526 |
Loss per share |  |  |  |  |  |  |  |
-Basic |  | $ | (0.20 | ) |  | $ | (0.05 | )
-Diluted |  | $ | (0.20 | ) |  | $ | (0.05 | )
|  | For the Year Ended |
|  | December 31, 2021 |  |  | December 31, 2020 |
Numerator: |  |  |  |  |  |
Net loss attributable to ABVC’s common stockholders |  | $ | (12,838,813 | ) |  | $ | (9,791,164 | )
Denominator: |  |  |  |  |  |  |  |
Weighted-average shares outstanding: |  |  |  |  |  |  |  |
Weighted-average shares outstanding - Basic |  |  | 25,053,522 |  |  |  | 19,715,559 |
Stock options |  |  |  |  |  |  |  |
Weighted-average shares outstanding - Diluted |  |  | 25,053,522 |  |  |  | 19,715,559 |
Loss per share |  |  |  |  |  |  |  |
-Basic |  | $ | (0.51 | ) |  | $ | (0.50 | )
-Diluted |  | $ | (0.51 | ) |  | $ | (0.50 | )

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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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