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Note 21 - Loss Per Share (Tables) | 6 Months Ended
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Jun. 30, 2022
Notes Tables |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | Six Months Ended June 30, |  |  | Three Months Ended June 30, |
|  | 2022 |  |  | 2021 |  |  | 2022 |  |  | 2021 |
|  | (Unaudited) |  |  | (Unaudited) |  |  | (Unaudited) |  |  | (Unaudited) |
Net loss attributable to ZW Data Action Technologies Inc. (numerator for basic and diluted loss per share) |  | $ | (2,431 | ) |  | $ | (2,961 | ) |  | $ | (1,714 | ) |  | $ | (3,646 | )
Weighted average number of common shares outstanding -Basic and diluted |  |  | 35,442,345 |  |  |  | 30,727,546 |  |  |  | 35,528,776 |  |  |  | 32,925,488 |
Loss per share-Basic and diluted |  | $ | (0.07 | ) |  | $ | (0.10 | ) |  | $ | (0.05 | ) |  | $ | (0.11 | )

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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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