Note 3 - Loans - Loans by Class Modified as Troubled Debt Restructurings (Details) $ in Thousands	12 Months Ended
Jun. 30, 2017 USD ($)	Jun. 30, 2016 USD ($)
Number of Contracts	3	6
Pre-Modification Outstanding Recorded Investment	$ 1,030	$ 2,352
Post-Modification Outstanding Recorded Investment	$ 1,030	$ 2,516
Commercial Portfolio Segment [Member]
Number of Contracts	2	3
Pre-Modification Outstanding Recorded Investment	$ 518	$ 1,058
Post-Modification Outstanding Recorded Investment	$ 518	$ 1,029
Commercial Real Estate Portfolio Segment [Member] \| Other Commercial Real Estate Loans [Member]
Number of Contracts	1	3
Pre-Modification Outstanding Recorded Investment	$ 512	$ 1,294
Post-Modification Outstanding Recorded Investment	$ 512	$ 1,487

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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-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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