Note 12 - Fair Value - Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Jun. 30, 2015
US Government-sponsored Enterprises Debt Securities [Member] | Fair Value, Inputs, Level 1 [Member]
Securities, available-for-sale
US Government-sponsored Enterprises Debt Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Securities, available-for-sale	10,044	16,558
US Government-sponsored Enterprises Debt Securities [Member] | Fair Value, Inputs, Level 3 [Member]
Securities, available-for-sale
US Government-sponsored Enterprises Debt Securities [Member]
Securities, available-for-sale	10,044	16,558
US States and Political Subdivisions Debt Securities [Member] | Fair Value, Inputs, Level 1 [Member]
Securities, available-for-sale
US States and Political Subdivisions Debt Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Securities, available-for-sale	55,954	48,963
US States and Political Subdivisions Debt Securities [Member] | Fair Value, Inputs, Level 3 [Member]
Securities, available-for-sale
US States and Political Subdivisions Debt Securities [Member]
Securities, available-for-sale	55,954	48,963
Residential Mortgage Backed Securities [Member] | Fair Value, Inputs, Level 1 [Member]
Securities, available-for-sale
Residential Mortgage Backed Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Securities, available-for-sale	59,596	64,914
Residential Mortgage Backed Securities [Member] | Fair Value, Inputs, Level 3 [Member]
Securities, available-for-sale
Residential Mortgage Backed Securities [Member]
Securities, available-for-sale	59,596	64,914
Commercial Mortgage Backed Securities [Member] | Fair Value, Inputs, Level 1 [Member]
Securities, available-for-sale
Commercial Mortgage Backed Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Securities, available-for-sale	1,526	1,486
Commercial Mortgage Backed Securities [Member] | Fair Value, Inputs, Level 3 [Member]
Securities, available-for-sale
Commercial Mortgage Backed Securities [Member]
Securities, available-for-sale	1,526	1,486
Collateralized Mortgage Backed Securities [Member] | Fair Value, Inputs, Level 1 [Member]
Securities, available-for-sale
Collateralized Mortgage Backed Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Securities, available-for-sale	5,820	4,683
Collateralized Mortgage Backed Securities [Member] | Fair Value, Inputs, Level 3 [Member]
Securities, available-for-sale
Collateralized Mortgage Backed Securities [Member]
Securities, available-for-sale	5,820	4,683
Pooled Trust Preferred Securities Subject to Mandatory Redemption [Member] | Fair Value, Inputs, Level 1 [Member]
Securities, available-for-sale
Pooled Trust Preferred Securities Subject to Mandatory Redemption [Member] | Fair Value, Inputs, Level 2 [Member]
Securities, available-for-sale	429	540
Pooled Trust Preferred Securities Subject to Mandatory Redemption [Member] | Fair Value, Inputs, Level 3 [Member]
Securities, available-for-sale
Pooled Trust Preferred Securities Subject to Mandatory Redemption [Member]
Securities, available-for-sale	429	540
Securities, available-for-sale	$ 133,369	$ 137,144