Note 13 - Parent Company Financial Statements - Condensed Statements of Cash Flows (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Net income	$ 2,994	$ 2,147
Securities amortization and accretion, net	1,087	1,092
Gain on sale of securities	(209)	(202)
Net cash flows from operating activities	5,379	3,851
Proceeds from sales of available-for-sale securities	7,342	10,596
Net cash flows from investing activities	(32,059)	(26,888)
Net cash flows from financing activities	26,411	22,674
Change in cash and cash equivalents	(269)	(363)
Cash and cash equivalents, beginning of year	10,181	10,544
Cash and cash equivalents, end of year	9,912	10,181
Parent Company [Member]
Net income	2,994	2,147
Equity in undistributed net income of Bank subsidiary	(2,038)	(832)
Securities amortization and accretion, net	(10)	(11)
Gain on sale of securities	(11)
Change in other assets and liabilities	6	(2)
Net cash flows from operating activities	941	1,302
Proceeds from sales of available-for-sale securities	357
Net cash flows from investing activities	357
Dividend paid	(1,308)	(1,310)
Net cash flows from financing activities	(1,308)	(1,310)
Change in cash and cash equivalents	(10)	(8)
Cash and cash equivalents, beginning of year	46	54
Cash and cash equivalents, end of year	$ 36	$ 46