Note 4 - Loans and Allowance for Loan Losses (Details) - Acquired Impaired Loans Accretable Yield - Jun. 30, 2015 - USD ($)		Total	Total
Acquired Impaired Loans Accretable Yield [Abstract]
Beginning balance		$ 5,241,000	$ 4,998,000
Ending balance		5,115,000	5,115,000
Additions		0	0
Accretion income		(681,000)	(1,327,000)
Net reclassification from nonaccretable to accretable		708,000	1,649,000
Reductions	[1]	$ (153,000)	$ (205,000)

[1] Reductions primarily reflect the result of exit events, including loan payoffs and charge-offs.