Note 7 - Goodwill and Intangible Assets (Details Textual) - Jun. 30, 2015 - USD ($)	Total
Goodwill, Impairment Loss	$ 0
Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount	37.40%

Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

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