Note 7 - Loans and Allowance for Loan Losses (Details) - Allowance For Loan Losses And The Recorded Investment In Loans By Portfolio Segment (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013	Mar. 31, 2013	Dec. 31, 2012
Note 7 - Loans and Allowance for Loan Losses (Details) - Allowance For Loan Losses And The Recorded Investment In Loans By Portfolio Segment [Line Items]
Allowance for loan losses, individually evaluated for impairment,	$ 4,031	$ 4,102
Allowance for loan losses, collectively evaluated for impairment	14,659	16,475
Total ending allowance balance	18,690	20,577	23,563	24,445
Loans individually evaluated for impairment	58,460	58,339
Loans collectively evaluated for impairment	925,459	941,544
Total ending loan balance, net of unearned income	983,919	999,883
Real Estate Loans [Member]
Note 7 - Loans and Allowance for Loan Losses (Details) - Allowance For Loan Losses And The Recorded Investment In Loans By Portfolio Segment [Line Items]
Allowance for loan losses, individually evaluated for impairment,	3,747	3,816
Allowance for loan losses, collectively evaluated for impairment	13,367	14,900
Total ending allowance balance	17,114	18,716	21,402	22,254
Loans individually evaluated for impairment	58,125	57,932
Loans collectively evaluated for impairment	821,147	833,149
Total ending loan balance, net of unearned income	879,272	891,081
Commercial Portfolio Segment [Member]
Note 7 - Loans and Allowance for Loan Losses (Details) - Allowance For Loan Losses And The Recorded Investment In Loans By Portfolio Segment [Line Items]
Allowance for loan losses, individually evaluated for impairment,	200	200
Allowance for loan losses, collectively evaluated for impairment	1,001	1,209
Total ending allowance balance	1,201	1,409	1,558	1,513
Loans individually evaluated for impairment	248	317
Loans collectively evaluated for impairment	90,344	93,393
Total ending loan balance, net of unearned income	90,592	93,710
Consumer Portfolio Segment [Member]
Note 7 - Loans and Allowance for Loan Losses (Details) - Allowance For Loan Losses And The Recorded Investment In Loans By Portfolio Segment [Line Items]
Allowance for loan losses, individually evaluated for impairment,	84	86
Allowance for loan losses, collectively evaluated for impairment	291	366
Total ending allowance balance	375	452	603	678
Loans individually evaluated for impairment	87	90
Loans collectively evaluated for impairment	13,968	15,002
Total ending loan balance, net of unearned income	$ 14,055	$ 15,092