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Note 8 - Stock Repurchase Program (Details) - Stock Repurchase Program (USD $)
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12 Months Ended | 45 Months Ended | 12 Months Ended | ||
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Sep. 30, 2013
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Sep. 30, 2010
January 1 2007 September 30 2010 [Member]
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Sep. 30, 2011
October 1, 2010 – September 30, 2011 [Member]
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Sep. 30, 2012
October 1, 2011 - September 30, 2012 [Member]
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Sep. 30, 2013
October 1, 2012 - September 30, 2013 [Member]
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| Equity, Class of Treasury Stock [Line Items] | |||||
| Total Number of Shares Purchased | 2,014,454 | 1,909,079 | 5,750 | 44,000 | 55,625 |
| Average Price Paid Per Share (in Dollars per share) | $ 3.51 | $ 3.31 | $ 5.75 | $ 6.58 | $ 7.11 |
| Aggregate Number of Shares Purchased as Part of Publicly Announced Program | 2,014,454 | 1,909,079 | 1,914,829 | 1,958,829 | 2,014,454 |
| Maximum Number of Shares that May Yet be Purchased Under the Program | 985,546 | 1,090,921 | 1,085,171 | 1,041,171 | 985,546 |
| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
The remaining number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan. No definition available.
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| X | ||||||||||
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- Definition
Total cost of shares repurchased divided by the total number of shares repurchased. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Number of shares held for each class of treasury stock. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Number of shares that have been repurchased during the period and are being held in treasury. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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