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Note 2 - Earnings per Share (Details) - Earnings per Share (USD $)
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12 Months Ended | ||
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Sep. 30, 2013
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Sep. 30, 2012
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Sep. 30, 2011
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| Note 2 - Earnings per Share (Details) - Earnings per Share [Line Items] | |||
| Weighted average common shares outstanding - basic | 28,376,607 | 27,693,721 | 27,287,342 |
| Net effect of dilutive securities: | |||
| Share based payment arrangements | 349,871 | 1,239,423 | 1,683,669 |
| Weighted average common shares outstanding - diluted | 28,726,478 | 28,933,144 | 28,971,011 |
| Income per common share – basic (in Dollars per share) | $ 0.51 | $ 0.55 | $ 0.20 |
| Income per common share – diluted (in Dollars per share) | $ 0.50 | $ 0.53 | $ 0.19 |
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Employee Stock Option [Member]
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| Net effect of dilutive securities: | |||
| Share based payment arrangements | 162,195 | 913,600 | 1,243,222 |
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Warrant [Member]
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| Net effect of dilutive securities: | |||
| Share based payment arrangements | 39,823 | 59,197 | |
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Restricted Stock [Member]
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| Net effect of dilutive securities: | |||
| Share based payment arrangements | 187,676 | 286,000 | 381,250 |
| X | ||||||||||
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- Details
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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