Note 7 - Loans and Allowance for Loan Losses (Details) - Allowance for Loan Losses and the Recorded Investment in Loans by Impairment Method (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014	Mar. 31, 2014	Dec. 31, 2013
Note 7 - Loans and Allowance for Loan Losses (Details) - Allowance for Loan Losses and the Recorded Investment in Loans by Impairment Method [Line Items]
Allowance for loan losses individually evaluated for impairment	$ 2,820	$ 3,371
Allowance for loan losses collectively evaluated for impairment	9,786	10,597
Total ending allowance balance	12,606	13,968	18,690	20,577
Loans individually evaluated for impairment	45,574	43,955
Loans collectively evaluated for impairment	881,815	887,988
Total loans, net of unearned income	927,389	931,943
Real Estate Loans [Member]
Note 7 - Loans and Allowance for Loan Losses (Details) - Allowance for Loan Losses and the Recorded Investment in Loans by Impairment Method [Line Items]
Allowance for loan losses individually evaluated for impairment	2,734	3,275
Allowance for loan losses collectively evaluated for impairment	8,788	9,267
Total ending allowance balance	11,522	12,542	17,114	18,716
Loans individually evaluated for impairment	45,161	43,837
Loans collectively evaluated for impairment	781,294	789,507
Total loans, net of unearned income	826,455	833,344
Commercial Portfolio Segment [Member]
Note 7 - Loans and Allowance for Loan Losses (Details) - Allowance for Loan Losses and the Recorded Investment in Loans by Impairment Method [Line Items]
Allowance for loan losses individually evaluated for impairment	64	71
Allowance for loan losses collectively evaluated for impairment	802	1,082
Total ending allowance balance	866	1,153	1,201	1,409
Loans individually evaluated for impairment	391	93
Loans collectively evaluated for impairment	87,829	85,093
Total loans, net of unearned income	88,220	85,186
Consumer Portfolio Segment [Member]
Note 7 - Loans and Allowance for Loan Losses (Details) - Allowance for Loan Losses and the Recorded Investment in Loans by Impairment Method [Line Items]
Allowance for loan losses individually evaluated for impairment	22	25
Allowance for loan losses collectively evaluated for impairment	196	248
Total ending allowance balance	218	273	375	452
Loans individually evaluated for impairment	22	25
Loans collectively evaluated for impairment	12,692	13,388
Total loans, net of unearned income	$ 12,714	$ 13,413

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A valuation allowance for financing receivables that are expected to be uncollectible.

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The balance of financing receivables that were collectively evaluated for impairment.

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Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements.

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