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Note 3 - Net Income Per Share of Common Stock (Tables) | 3 Months Ended
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Feb. 28, 2013
Schedule of Calculation of Numerator and Denominator in Earnings Per Share [Table Text Block] |
|  | For the three months ended |
|  | February 28, 2013 |  |  | February 29, 2012 |
Basic: |  |  |  |  |  |
Numerator: net income |  |  | 819,254 |  |  |  | 193,498 |
Denominator: average number of common shares outstanding |  |  | 4,035,052 |  |  |  | 4,028,193 |
Basic earnings per common share |  |  | 0.20 |  |  |  | 0.05 |
Diluted: |  |  |  |  |  |  |  |
Numerator: net income |  |  | 819,254 |  |  |  | 193,498 |
Average number of common shares outstanding |  |  | 4,035,052 |  |  |  | 4,028,193 |
Effect of dilutive stock options |  |  | 12,082 |  |  |  | 17,932 |
Denominator: dilutive average number of common shares outstanding |  |  | 4,047,134 |  |  |  | 4,046,125 |
Diluted earnings per common share |  |  | 0.20 |  |  |  | 0.05 |

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- Definition Tabular disclosure of the numerators and the denominators of the basic and diluted per-share (or per-unit) computations for income from continuing operations, including the effect that has been given to preferred dividends. + 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 + Details
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Namespace Prefix: | us-gaap_
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Balance Type: | na
Period Type: | duration