Note 5 - Deposits (Details Textual) - USD ($) $ in Thousands	Jun. 30, 2017	Jun. 30, 2016
Time Deposits Minimum Denomination	$ 250
Time Deposits, at or Above FDIC Insurance Limit	14,252	$ 14,176
Related Party Deposit Liabilities	$ 4,828	$ 5,386

Amount of time deposit liabilities, including certificates of deposit, in denominations that meet or exceed the Federal Deposit Insurance Corporation (FDIC) insurance limit.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 405
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=50488274&loc=d3e64164-112818

Name:	us-gaap_TimeDepositsAtOrAboveFDICInsuranceLimit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant