Note 2 - Securities - Proceeds From Sales and Calls of Available-for-sale Securities (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2017	Dec. 31, 2016
Proceeds from sales		$ 1,594	$ 1,586	$ 3,383
Gross realized gains		24	39	127
Gross realized losses		$ 2	$ 1	$ 2