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Note 8 - Cash Dividends (Details) - USD ($) | 12 Months Ended |
--- | --- | ---
Jun. 30, 2015 | Jun. 30, 2014 | Jun. 30, 2013 | Aug. 31, 2015
Note 8 - Cash Dividends (Details) [Line Items] |  |  |  |
Payments of Ordinary Dividends, Common Stock | $ 2,900,000 | $ 5,780,000 | $ 8,648,000 |
Subsequent Event [Member] |  |  |  |
Note 8 - Cash Dividends (Details) [Line Items] |  |  |  |
Quarterly Indicated Per Share Dividend Rate (in Dollars per share) |  |  |  | $ 0.03

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- Definition Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3291-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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