Note 5 - Fair Value of Financial Instruments (Details) - Estimated Fair Values of Financial Instruments (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Jun. 30, 2014	Sep. 30, 2013	Jun. 30, 2013
Financial Assets:
Cash and cash equivalents	$ 46,845	$ 40,122	$ 78,791	$ 75,469
Cash and cash equivalents	46,845	40,122
Investments	2,551	2,552
Investments	2,566	2,567
Securities available-for-sale	45,290	26,764
Securities available-for-sale	45,290	26,764
Commercial Loan, Carrying Value	155,184	129,186
Financial Liabilities:
Short-term borrowings	6,858	6,858
Short-term borrowings	6,855	6,858
Commercial Loan [Member]
Financial Assets:
Commercial Loan, Carrying Value	137,765	111,472
Commercial Loan, Estimated Fair Value	137,360	111,691
Other Commercial Loans [Member]
Financial Assets:
Commercial Loan, Carrying Value	17,419	17,714
Commercial Loan, Estimated Fair Value	17,306	17,929
Demand Deposits [Member]
Financial Liabilities:
Deposits, Carrying Value	64,642	65,583
Deposits, Estimated Fair Value	64,642	65,583
Certificates of Deposit [Member]
Financial Liabilities:
Deposits, Carrying Value	312,114	290,227
Deposits, Estimated Fair Value	$ 312,044	$ 290,044