Note 7 - Federal Home Loan Bank Advances - Summary of Federal Home Loan Bank (FHLB) Advances (Details) - USD ($) $ in Thousands	12 Months Ended
Jun. 30, 2016	Jun. 30, 2015
Federal Home Loan Bank Advances, Interest-only Single Maturity, Maturity at October 9, 2015 [Member]
Federal Home Loan Bank Advances, Maturity Date	Oct. 09, 2015
Federal Home Loan Bank Advances, Contractual Term	Fixed
Federal Home Loan Bank Advances, Interest Rate	1.43%
Long-term Federal Home Loan Bank Advances		$ 500
Federal Home Loan Bank Advances, Interest-only Single Maturity, Maturity at July 1, 2016 [Member]
Federal Home Loan Bank Advances, Maturity Date	Jul. 01, 2016
Federal Home Loan Bank Advances, Contractual Term	Fixed
Federal Home Loan Bank Advances, Interest Rate	0.51%
Long-term Federal Home Loan Bank Advances	$ 7,600
Federal Home Loan Bank Advances, Interest-only Single Maturity, Maturity at July 5, 2016 [Member]
Federal Home Loan Bank Advances, Maturity Date	Jul. 05, 2016
Federal Home Loan Bank Advances, Contractual Term	Fixed
Federal Home Loan Bank Advances, Interest Rate	0.43%
Long-term Federal Home Loan Bank Advances	$ 2,000
Federal Home Loan Bank Advances, Interest-only Single Maturity, Maturity at October 12, 2017 [Member]
Federal Home Loan Bank Advances, Maturity Date	Oct. 12, 2017
Federal Home Loan Bank Advances, Contractual Term	Fixed
Federal Home Loan Bank Advances, Interest Rate	2.07%
Long-term Federal Home Loan Bank Advances	$ 500	500
Federal Home Loan Bank Advances, Interest-only Putable, Maturity at December 7, 2017 [Member]
Federal Home Loan Bank Advances, Maturity Date	Dec. 07, 2017
Federal Home Loan Bank Advances, Contractual Term	Fixed
Federal Home Loan Bank Advances, Interest Rate	3.24%
Long-term Federal Home Loan Bank Advances	$ 5,000	5,000
Federal Home Loan Bank Advances, Principal and Interest Mortgage Matched, Maturity at April 1, 2019 [Member]
Federal Home Loan Bank Advances, Maturity Date	Apr. 01, 2019
Federal Home Loan Bank Advances, Contractual Term	Fixed
Federal Home Loan Bank Advances, Interest Rate	4.30%
Long-term Federal Home Loan Bank Advances	$ 181	240
Federal Home Loan Bank Advances, Interest-only Single Maturity, Maturity at January 18, 2019 [Member]
Federal Home Loan Bank Advances, Maturity Date	Jan. 18, 2019
Federal Home Loan Bank Advances, Contractual Term	Fixed
Federal Home Loan Bank Advances, Interest Rate	1.16%
Long-term Federal Home Loan Bank Advances	$ 2,000
Long-term Federal Home Loan Bank Advances	$ 17,281	$ 6,240

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- Definition

The average effective interest rate during the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(2))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Including both current and noncurrent portions, Federal Home Loan Bank borrowings initially due beyond one year or beyond the normal operating cycle if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64702-112823

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.16)
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6479118&loc=d3e64650-112822

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