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Note 9 - Net Income Per Common Share (Tables) | 9 Months Ended
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May 31, 2020
Notes Tables |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | Three Months Ended |  | Nine Months Ended
Numerator: |  | May 31, 2020 |  | May 31, 2019 |  | May 31, 2020 |  | May 31, 2019
Net income attributable to NTIC |  | $ | (965,221 | ) |  | $ | 1,482,149 |  |  | $ | 427,163 |  |  | $ | 4,380,776 |
Denominator: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic – weighted shares outstanding |  |  | 9,099,990 |  |  |  | 9,084,354 |  |  |  | 9,096,981 |  |  |  | 9,085,584 |
Weighted shares assumed upon exercise of stock options |  |  | - |  |  |  | 308,090 |  |  |  | 215,933 |  |  |  | 355,274 |
Diluted – weighted shares outstanding |  |  | 9,099,990 |  |  |  | 9,392,444 |  |  |  | 9,312,914 |  |  |  | 9,440,858 |
Basic net income per share: |  | $ | (0.11 | ) |  | $ | 0.16 |  |  | $ | 0.05 |  |  | $ | 0.48 |
Diluted net income per share: |  | $ | (0.11 | ) |  | $ | 0.16 |  |  | $ | 0.05 |  |  | $ | 0.46 |

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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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