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Note 10 - Acquisitions (Details) - The Unaudited Pro Forma Information (USD $) | 3 Months Ended | 9 Months Ended
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Aug. 31, 2013 | Aug. 31, 2012 | Aug. 31, 2013 | Aug. 31, 2012
The Unaudited Pro Forma Information [Abstract] |  |  |  |
As Reported (in Dollars) | $ 9,350,391 | $ 11,533,882 | $ 27,015,804 | $ 29,531,268
Pro Forma (in Dollars) | 9,350,391 | 11,533,882 | 27,015,804 | 31,785,360
As Reported (in Dollars) | 26,394 | 979,451 | 1,359,894 | 2,108,929
Pro Forma (in Dollars) | $ 26,394 | $ 979,451 | $ 1,359,894 | $ 2,623,389
As Reported | $ 0.01 | $ 0.24 | $ 0.34 | $ 0.52
Pro Forma | $ 0.01 | $ 0.24 | $ 0.34 | $ 0.65
As Reported | $ 0.01 | $ 0.24 | $ 0.34 | $ 0.52
Pro Forma | $ 0.01 | $ 0.24 | $ 0.34 | $ 0.65
Weighted average outstanding shares used to compute basic net income per share (in Shares) | 4,041,682 | 4,035,852 | 4,038,118 | 4,031,828
Weighted average outstanding shares used to compute diluted net income per share (in Shares) | 4,057,773 | 4,052,246 | 4,050,819 | 4,049,236

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- Definition The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(2)-(3) -URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1392-128463 + Details
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