Note 8 - Shareholders' Equity (Details) - Stock retired and repurchased (USD $)
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12 Months Ended | ||
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Jun. 30, 2013
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Jun. 30, 2012
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Jun. 30, 2011
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Note 8 - Shareholders' Equity (Details) - Stock retired and repurchased [Line Items] | |||
Common shares repurchased | 0 | 79,293 | 204,286 |
Cost to repurchase common shares (in Dollars) | $ 1,350,000 | $ 5,377,000 | |
Average price per share (in Dollars per share) | $ 0 | $ 17.02 | $ 13.65 |
Accrual Basis [Member]
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Note 8 - Shareholders' Equity (Details) - Stock retired and repurchased [Line Items] | |||
Cost to repurchase common shares (in Dollars) | $ 0 | $ 1,349,557 | $ 2,787,777 |