Note 4 - Fair Value (Details Textual) - USD ($)	3 Months Ended		9 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Mar. 31, 2017	Mar. 31, 2016	Jun. 30, 2016
Impaired Financing Receivable, Unpaid Principal Balance	$ 4,599,000		$ 4,599,000		$ 7,416,000
Impaired Financing Receivable, Related Allowance	336,000		336,000		874,000
Provision for Loan and Lease Losses	255,000	$ 130,000	531,000	$ 414,000
Collateral Dependent Loans [Member]
Impaired Financing Receivable, Unpaid Principal Balance	2,599,000		2,599,000		2,150,000
Impaired Financing Receivable, Related Allowance	279,000		279,000		$ 747,000
Provision for Loan and Lease Losses	$ 279,000	$ 0	$ 232,000	$ 123,000