Note 2 - Securities (Details Textual)	12 Months Ended
	Jun. 30, 2016 USD ($)	Jun. 30, 2015 USD ($)
Other than Temporary Impairment Losses, Investments, Available-for-sale Securities	$ 0	$ 0
Available-for-sale Securities Income Tax Provision on Gross Realized Gains	69,000	96,000
Available-for-sale Securities Income Tax Provision on Net Realized Gain (Loss)	0	42,000
Available-for-sale Securities Pledged as Collateral	$ 55,140,000	$ 59,805,000
Available-for-sale, Qualitative Disclosure, Number of Positions	245
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions	16
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions, Greater than or Equal to One Year	9