Note 9 - Cash Dividends (Details) (USD $)	9 Months Ended	1 Months Ended
Mar. 31, 2014	Mar. 31, 2013	Apr. 30, 2014 Subsequent Event [Member]	Mar. 31, 2014 Annual Indicated Dividend [Member]
Note 9 - Cash Dividends (Details) [Line Items]
Payments of Ordinary Dividends, Common Stock	$ 4,333,000	$ 7,207,000
Common Stock, Dividends, Per Share, Declared			$ 0.06
Annual Indicated Per Share Dividend Rate				$ 0.24

Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228

Reference 2: 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=31042434&loc=d3e3291-108585

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration