Note 2 - Stock-Based Compensation (Details) (USD $)	Jun. 30, 2014	Jun. 30, 2013
Disclosure Text Block Supplement [Abstract]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares	0	0
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized	$ 0	$ 0

Unrecognized cost of unvested share-based compensation awards.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (i)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

Name:	us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant