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Note 4 - Earnings Per Common Share (Details)
3 Months Ended 6 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2014
Dec. 31, 2013
Earnings Per Share [Abstract]        
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 2,377,900us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount 1,197,150us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount 2,371,900us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount 1,676,650us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount