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Note 9 - Net Income Per Common Share | 3 Months Ended
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Nov. 30, 2014
Earnings Per Share [Abstract] |
Earnings Per Share [Text Block] | 9. NET INCOME PER COMMON SHARE Basic net income per common share is computed by dividing net income by the weighted average number of common shares outstanding. Diluted net income per share assumes the exercise of stock options using the treasury stock method, if dilutive. The following is a reconciliation of the earnings per share computation for the three months ended November 30, 2014 and 2013:
|  | Three Months Ended |
Numerator: |  | November 30, 2014 |  |  | November 30, 2013 |
Net income attributable to NTIC |  | $ | 1,008,265 |  |  | $ | 858,586 |
Denominator: |  |  |  |  |  |  |  |
Basic – weighted shares outstanding |  |  | 4,518,973 |  |  |  | 4,434,770 |
Weighted shares assumed upon exercise of stock options |  |  | 140,648 |  |  |  | 117,899 |
Diluted – weighted shares outstanding |  |  | 4,659,621 |  |  |  | 4,552,669 |
Basic earnings per share: |  | $ | 0.22 |  |  | $ | 0.19 |
Diluted earnings per share: |  | $ | 0.22 |  |  | $ | 0.19 |
The dilutive impact summarized above relates to the periods when the average market price of the Company’s common stock exceeded the exercise price of the potentially dilutive option securities granted. Earnings per common share were based on the weighted average number of common shares outstanding during the periods when computing the basic earnings per share. When dilutive, stock options are included as equivalents using the treasury stock market method when computing the diluted earnings per share. All options outstanding as of November 30, 2014 and November 30, 2013 were dilutive.

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1278-109256 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1252-109256 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 55 -Paragraph 52 -URI http://asc.fasb.org/extlink&oid=32703322&loc=d3e4984-109258 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.21) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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