Note 3 - Securities Available for Sale (Details) - Available-For-Sale Securities at Amortized Cost and Fair Value - USD ($)	Jun. 30, 2015	Jun. 30, 2014
Note 3 - Securities Available for Sale (Details) - Available-For-Sale Securities at Amortized Cost and Fair Value [Line Items]
Amortized Cost	$ 80,837,000	$ 26,097,000
Gross Unrealized Gains	561,000	712,000
Gross Unrealized Losses	(186,000)	(45,000)
Fair Value	81,212,000	26,764,000
US Treasury Securities [Member]
Note 3 - Securities Available for Sale (Details) - Available-For-Sale Securities at Amortized Cost and Fair Value [Line Items]
Amortized Cost	47,286,000	7,930,000
Gross Unrealized Gains	484,000	43,000
Fair Value	47,770,000	7,973,000
Corporate Debt Securities [Member]
Note 3 - Securities Available for Sale (Details) - Available-For-Sale Securities at Amortized Cost and Fair Value [Line Items]
Amortized Cost	13,165,000	16,030,000
Gross Unrealized Gains	18,000	280,000
Gross Unrealized Losses	(31,000)
Fair Value	13,152,000	16,310,000
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Note 3 - Securities Available for Sale (Details) - Available-For-Sale Securities at Amortized Cost and Fair Value [Line Items]
Amortized Cost	18,765,000
Gross Unrealized Gains	53,000
Gross Unrealized Losses	(149,000)
Fair Value	18,669,000
Municipal Bonds [Member]
Note 3 - Securities Available for Sale (Details) - Available-For-Sale Securities at Amortized Cost and Fair Value [Line Items]
Amortized Cost	406,000	409,000
Gross Unrealized Gains	6,000	18,000
Fair Value	412,000	427,000
Mutual Fund Investments [Member]
Note 3 - Securities Available for Sale (Details) - Available-For-Sale Securities at Amortized Cost and Fair Value [Line Items]
Amortized Cost	1,215,000	1,306,000
Gross Unrealized Losses	(6,000)	(45,000)
Fair Value	$ 1,209,000	1,261,000
Equity Securities [Member]
Note 3 - Securities Available for Sale (Details) - Available-For-Sale Securities at Amortized Cost and Fair Value [Line Items]
Amortized Cost		422,000
Gross Unrealized Gains		371,000
Fair Value		$ 793,000

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Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

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

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This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any.

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