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Note 10 - Net Income Per Common Share (Tables) | 9 Months Ended
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May 31, 2025
Notes Tables |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | Three Months Ended |  |  | Nine Months Ended |
Numerator: |  | May 31, 2025 |  |  | May 31, 2024 |  |  | May 31, 2025 |  |  | May 31, 2024 |
Net income attributable to NTIC |  | $ | 121,775 |  |  | $ | 976,604 |  |  | $ | 1,117,185 |  |  | $ | 3,573,294 |
Denominator: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic – weighted shares outstanding |  |  | 9,474,363 |  |  |  | 9,431,134 |  |  |  | 9,475,967 |  |  |  | 9,432,684 |
Weighted shares assumed upon exercise of stock options and settlement of restricted stock units |  |  | 65,403 |  |  |  | 584,540 |  |  |  | 210,679 |  |  |  | 386,536 |
Diluted – weighted shares outstanding |  |  | 9,539,766 |  |  |  | 10,015,674 |  |  |  | 9,686,646 |  |  |  | 9,819,220 |
Basic net income per share: |  | $ | 0.01 |  |  | $ | 0.10 |  |  | $ | 0.12 |  |  | $ | 0.38 |
Diluted net income per share: |  | $ | 0.01 |  |  | $ | 0.10 |  |  | $ | 0.12 |  |  | $ | 0.36 |

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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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