XML 63 R26.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Note 9 - Net Income Per Common Share (Tables) | 6 Months Ended
--- | ---
Feb. 28, 2013
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | Three Months Ended |  |  | Six Months Ended |
Numerators: |  | February 28, 2013 |  |  | February 29, 2012 |  |  | February 28, 2013 |  |  | February 29, 2012 |
Net income attributable to NTIC |  | $ | 434,410 |  |  | $ | 606,193 |  |  | $ | 824,032 |  |  | $ | 1,564,950 |
Denominator: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic – weighted shares outstanding |  |  | 4,418,821 |  |  |  | 4,398,356 |  |  |  | 4,409,954 |  |  |  | 4,366,932 |
Weighted shares assumed upon exercise of stock options |  |  | 66,255 |  |  |  | 68,079 |  |  |  | 50,243 |  |  |  | 73,069 |
Diluted – weighted shares outstanding |  |  | 4,485,076 |  |  |  | 4,466,435 |  |  |  | 4,460,197 |  |  |  | 4,440,001 |
Basic earnings per share: |  | $ | 0.10 |  |  | $ | 0.14 |  |  | $ | 0.19 |  |  | $ | 0.36 |
Diluted earnings per share: |  | $ | 0.10 |  |  | $ | 0.14 |  |  | $ | 0.18 |  |  | $ | 0.35 |

X
- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations. + References No definition available. + Details
Name: | us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration