Note 10 - Fair Value of Financial Instruments (Details) - Fair Value Measured on a Non-Recurring Basis (Fair Value, Measurements, Nonrecurring [Member], USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Note 10 - Fair Value of Financial Instruments (Details) - Fair Value Measured on a Non-Recurring Basis [Line Items]
Assets, carried at fair value on a non-recurring basis	$ 33,789	$ 26,954
Loans Held For Sale [Member] | Fair Value, Inputs, Level 3 [Member]
Note 10 - Fair Value of Financial Instruments (Details) - Fair Value Measured on a Non-Recurring Basis [Line Items]
Assets, carried at fair value on a non-recurring basis	1,150	425
Loans Held For Sale [Member]
Note 10 - Fair Value of Financial Instruments (Details) - Fair Value Measured on a Non-Recurring Basis [Line Items]
Assets, carried at fair value on a non-recurring basis	1,150	425
Impaired loans [Member] | Fair Value, Inputs, Level 3 [Member]
Note 10 - Fair Value of Financial Instruments (Details) - Fair Value Measured on a Non-Recurring Basis [Line Items]
Assets, carried at fair value on a non-recurring basis	26,847	23,544
Impaired loans [Member]
Note 10 - Fair Value of Financial Instruments (Details) - Fair Value Measured on a Non-Recurring Basis [Line Items]
Assets, carried at fair value on a non-recurring basis	26,847	23,544
Other real estate owned [Member] | Fair Value, Inputs, Level 3 [Member]
Note 10 - Fair Value of Financial Instruments (Details) - Fair Value Measured on a Non-Recurring Basis [Line Items]
Assets, carried at fair value on a non-recurring basis	5,792	2,985
Other real estate owned [Member]
Note 10 - Fair Value of Financial Instruments (Details) - Fair Value Measured on a Non-Recurring Basis [Line Items]
Assets, carried at fair value on a non-recurring basis	5,792	2,985
Fair Value, Inputs, Level 3 [Member]
Note 10 - Fair Value of Financial Instruments (Details) - Fair Value Measured on a Non-Recurring Basis [Line Items]
Assets, carried at fair value on a non-recurring basis	$ 33,789	$ 26,954