Note 3 - Loans - Loans by Class Modified as Troubled Debt Restructurings (Details) $ in Thousands	12 Months Ended
Jun. 30, 2018	Jun. 30, 2017 USD ($)
Financing Receivable, Modifications, Number of Contracts	0	3
Pre-Modification Outstanding Recorded Investment		$ 1,030
Post-Modification Outstanding Recorded Investment		$ 1,030
Commercial Portfolio Segment [Member]
Financing Receivable, Modifications, Number of Contracts		2
Pre-Modification Outstanding Recorded Investment		$ 518
Post-Modification Outstanding Recorded Investment		$ 518
Commercial Real Estate Portfolio Segment [Member] \| Other Commercial Real Estate Loans [Member]
Financing Receivable, Modifications, Number of Contracts		1
Pre-Modification Outstanding Recorded Investment		$ 512
Post-Modification Outstanding Recorded Investment		$ 512

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

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953676-111524

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