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Note 6 - Stock Repurchase Program (Detail) - Stock Repurchase Program (USD $)
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9 Months Ended | 63 Months Ended | 1 Months Ended | 1 Months Ended | 66 Months Ended | |
|---|---|---|---|---|---|---|
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Jun. 30, 2012
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Mar. 31, 2012
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Apr. 30, 2012
April 1, 2012 - April 30, 2012 [Member]
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May 31, 2012
May 1, 2012 - May 31, 2012 [Member]
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Jun. 30, 2012
June 1, 2012 - June 30, 2012 [Member]
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Jun. 30, 2012
Total [Member]
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| Total Number of Shares Purchased | 10,000 | 1,915,829 | 0 | 10,000 | 1,925,829 | |
| Average Price Paid Per Share (in Dollars per share) | $ 5.43 | $ 3.33 | $ 0 | $ 5.43 | $ 3.34 | |
| Aggregate Number of Shares Purchased as Part of Publicly Announced Program | 1,925,829 | 1,915,829 | 1,915,829 | 1,915,829 | 1,925,829 | 1,925,829 |
| Maximum Number of Shares that May Yet be Purchased Under the Program | 1,084,171 | 1,084,171 | 1,084,171 | 1,074,171 | 1,074,171 |
| 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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