Note 6 - Short-term Borrowings - Summary of Short-term Borrowings (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Short-term borrowings	$ 19,129	$ 19,838
Average balance during the year	21,196	18,281
Maximum month-end balance	$ 25,759	$ 21,583
Average interest rate during the year	0.18%	0.17%
Weighted average rate, June 30	0.20%	0.16%