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Note 3 - Stock-Based Compensation (Details) (USD $)
18 Months Ended 1 Months Ended
Jun. 30, 2014
Equity Incentive Plan [Member]
May 05, 2014
Equity Incentive Plan [Member]
Jun. 30, 2014
Incentive Plan [Member]
Note 3 - Stock-Based Compensation (Details) [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized   1,125,000 500,000
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit (in Dollars per share) $ 2.88    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross     0
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit (in Dollars per share) $ 18.58    
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant 0   486,327