Note 15 - Assets and Liabilities Measured and Reported at Fair Value (Details) - Significant Unobservable Inputs $ in Thousands	9 Months Ended
	Sep. 30, 2015 USD ($)
Impaired Loans [Member]
Note 15 - Assets and Liabilities Measured and Reported at Fair Value (Details) - Significant Unobservable Inputs [Line Items]
Carrying amount	$ 5,132
Other Real Estate Owned [Member]
Note 15 - Assets and Liabilities Measured and Reported at Fair Value (Details) - Significant Unobservable Inputs [Line Items]
Carrying amount	$ 3,569
Weighted Average [Member] | Impaired Loans [Member]
Note 15 - Assets and Liabilities Measured and Reported at Fair Value (Details) - Significant Unobservable Inputs [Line Items]
Weighted average of input	6.40%
Weighted Average [Member] | Other Real Estate Owned [Member]
Note 15 - Assets and Liabilities Measured and Reported at Fair Value (Details) - Significant Unobservable Inputs [Line Items]
Weighted average of input	14.60%