Note 9 - Cash Dividends (Details) (USD $)	3 Months Ended
Sep. 30, 2014	Sep. 30, 2013	Nov. 28, 2014 Subsequent Event [Member]
Note 9 - Cash Dividends (Details) [Line Items]
Payments of Ordinary Dividends, Common Stock	$ 1,447,000	$ 1,443,000
Quarterly Indicated Per Share Dividend Rate			$ 0.01
Annual Indicated Per Share Dividend Rate	$ 0.04

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

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