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	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Jun. 30, 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,	$ 3,590		$ 4,102
Allowance for loan losses, collectively evaluated for impairment	13,533		16,475
Total ending allowance balance	17,123	18,690	20,577	22,943	23,563	24,445
Loans individually evaluated for impairment	49,623		58,339
Loans collectively evaluated for impairment	920,556		941,544
Total ending loan balance, net of unearned income	970,179		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,	3,329		3,816
Allowance for loan losses, collectively evaluated for impairment	12,119		14,900
Total ending allowance balance	15,448	17,114	18,716	20,240	21,402	22,254
Loans individually evaluated for impairment	49,317		57,932
Loans collectively evaluated for impairment	807,331		833,149
Total ending loan balance, net of unearned income	856,648		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,	195		200
Allowance for loan losses, collectively evaluated for impairment	1,143		1,209
Total ending allowance balance	1,338	1,201	1,409	2,177	1,558	1,513
Loans individually evaluated for impairment	240		317
Loans collectively evaluated for impairment	98,785		93,393
Total ending loan balance, net of unearned income	99,025		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,	66		86
Allowance for loan losses, collectively evaluated for impairment	271		366
Total ending allowance balance	337	375	452	526	603	678
Loans individually evaluated for impairment	66		90
Loans collectively evaluated for impairment	14,440		15,002
Total ending loan balance, net of unearned income	$ 14,506		$ 15,092