Note 2 - Securities - Amortized Cost and Fair Value of Securities Available-for-sale and Securities Held-to-maturity (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Jun. 30, 2016
Available-for-sale securities, amortized cost	$ 131,531	$ 129,748
Available-for-sale securities, gross unrealized gains	1,152	3,658
Available-for-sale securities, gross unrealized losses	(1,398)	(37)
Available-for-sale securities, fair value	131,285	133,369
Held-to-maturity, amortized cost	4,296	3,494
Held-to-maturity, fair value	4,293	3,619
US Government-sponsored Enterprises Debt Securities [Member]
Available-for-sale securities, amortized cost	10,081	9,682
Available-for-sale securities, gross unrealized gains	69	362
Available-for-sale securities, gross unrealized losses	(89)
Available-for-sale securities, fair value	10,061	10,044
US States and Political Subdivisions Debt Securities [Member]
Available-for-sale securities, amortized cost	56,809	53,952
Available-for-sale securities, gross unrealized gains	520	2,010
Available-for-sale securities, gross unrealized losses	(668)	(8)
Available-for-sale securities, fair value	56,661	55,954
Held-to-maturity, amortized cost	4,296	3,494
Held-to-maturity, gross unrecognized gains	8	125
Held-to-maturity, gross unrecognized losses	(11)
Held-to-maturity, fair value	4,293	3,619
Residential Mortgage Backed Securities [Member]
Available-for-sale securities, amortized cost	56,055	58,702
Available-for-sale securities, gross unrealized gains	294	920
Available-for-sale securities, gross unrealized losses	(506)	(26)
Available-for-sale securities, fair value	55,843	59,596
Commercial Mortgage Backed Securities [Member]
Available-for-sale securities, amortized cost	1,472	1,485
Available-for-sale securities, gross unrealized gains		41
Available-for-sale securities, gross unrealized losses	(3)
Available-for-sale securities, fair value	1,469	1,526
Collateralized Debt Obligations [Member]
Available-for-sale securities, amortized cost	6,960	5,774
Available-for-sale securities, gross unrealized gains	3	49
Available-for-sale securities, gross unrealized losses	(132)	(3)
Available-for-sale securities, fair value	6,831	5,820
Pooled Trust Preferred Securities Subject to Mandatory Redemption [Member]
Available-for-sale securities, amortized cost	154	153
Available-for-sale securities, gross unrealized gains	266	276
Available-for-sale securities, gross unrealized losses
Available-for-sale securities, fair value	$ 420	$ 429

Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in debt securities classified as available-for-sale.

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Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in debt securities classified as available-for-sale.

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Amount of debt securities categorized neither as held-to-maturity nor trading.

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Amount after other than temporary impairment (OTTI) accretion, of investments in debt securities classified as held-to-maturity.

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Amount of accumulated unrealized gain on investments in debt securities classified as held-to-maturity.

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