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Note 9 - Net Income Per Common Share (Tables) | 9 Months Ended
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May 31, 2023
Notes Tables |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | Three Months Ended May 31, |  |  | Nine Months Ended May 31, |
Numerator: |  | 2023 |  |  | 2022 |  |  | 2023 |  |  | 2022 |
Net income attributable to NTIC |  | $ | 1,525,596 |  |  | $ | 1,000,167 |  |  | $ | 2,913,086 |  |  | $ | 5,676,773 |
Denominator: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic – weighted shares outstanding |  |  | 9,369,923 |  |  |  | 9,227,912 |  |  |  | 9,355,776 |  |  |  | 9,216,216 |
Weighted shares assumed upon exercise of stock options |  |  | 258,146 |  |  |  | 350,885 |  |  |  | 346,834 |  |  |  | 466,430 |
Diluted – weighted shares outstanding |  |  | 9,628,069 |  |  |  | 9,578,797 |  |  |  | 9,702,610 |  |  |  | 9,682,646 |
Basic net income per share: |  | $ | 0.16 |  |  | $ | 0.11 |  |  | $ | 0.31 |  |  | $ | 0.62 |
Diluted net income per share: |  | $ | 0.16 |  |  | $ | 0.11 |  |  | $ | 0.30 |  |  | $ | 0.59 |

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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 -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482662/260-10-50-1 + Details
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