Note 3 - Loans (Details Textual) $ in Thousands	12 Months Ended
Jun. 30, 2018 USD ($)	Jun. 30, 2017 USD ($)
Interest Receivable	$ 732	$ 581
Financing Receivable, Recorded Investment, Nonaccrual Status	1,090	1,187
Financing Receivable, Modifications, Recorded Investment	1,269	1,740
Troubled Debt Restructuring, Debtor, Subsequent Periods, Contingent Payments, Amount, Total	$ 29	$ 33
Financing Receivable, Modifications, Number of Contracts	0	3
Loans and Leases Receivable, Impaired, Commitment to Lend	$ 174	$ 175
Financing Receivable, Modifications, Subsequent Default, Number of Contracts		0
Threshold Amount of Loans Outstanding to Perform Credit Analysis	100
Non-accrual Loans [Member]
Financing Receivable, Recorded Investment, Nonaccrual Status	761	$ 948
Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Nonaccrual Status	249
Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Nonaccrual Status	$ 80	$ 239

The threshold amount of loans outstanding balance that will trigger the credit analysis.

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Number of financing receivables that have been modified by troubled debt restructurings.

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The amount of the outstanding recorded investment related to financing receivables that have been modified by troubled debt restructurings.

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Number of financing receivables that have been modified by troubled debt restructurings within the previous 12 months and for which there was a payment default.

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Recorded investment in financing receivables that are on nonaccrual status as of the balance sheet date.

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Carrying amount as of the balance sheet date of interest earned but not received. Also called accrued interest or accrued interest receivable.

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Reflects the unfunded portion of contractual agreements to lend funds to borrowers for loans whose terms have been modified by troubled debt restructuring.

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Amount of restructured debt contingently payable based on the occurrence of future events or circumstances.

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