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Note 8 - Stock Repurchase Program (Detail) - Stock Repurchase Program: (USD $)
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12 Months Ended | 33 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|---|
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Sep. 30, 2012
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Sep. 30, 2009
January 1, 2007 - September 30, 2009 [Member]
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Sep. 30, 2010
October 1, 2009 – 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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| Total Number of Shares Purchased | 1,958,829 | 1,843,805 | 65,274 | 5,750 | 44,000 |
| Average Price Paid Per Share (in Dollars per share) | $ 3.41 | $ 3.24 | $ 5.35 | $ 5.75 | $ 6.58 |
| Aggregate Number of Shares Purchased as Part of Publicly Announced Program | 1,958,829 | 1,843,805 | 1,909,079 | 1,914,829 | 1,958,829 |
| Maximum Number of Shares that May Yet be Purchased Under the Program | 1,041,171 | 1,156,195 | 1,090,921 | 1,085,171 | 1,041,171 |
| 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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