Note 14 - Parent Company Financial Statements - Condensed Statements of Income and Comprehensive Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Income before income taxes and equity in undistributed net income of subsidiary	$ 4,730	$ 3,635
Income tax benefit	1,149	641
Net income	3,581	2,994
Comprehensive income	1,487	1,050
Parent Company [Member]
Cash dividends from Bank subsidiary	1,400	1,065
Other income	39	51
Other expense	222	213
Income before income taxes and equity in undistributed net income of subsidiary	1,217	903
Income tax benefit	(52)	(53)
Income before equity in undistributed net income of Bank subsidiary	1,269	956
Equity in undistributed net income of subsidiary	2,312	2,038
Net income	3,581	2,994
Comprehensive income	$ 1,487	$ 1,050