Note 4 - Loans (Details) - Outstanding Principal Balance and the Carrying Amount of Acquired Loans (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Note 4 - Loans (Details) - Outstanding Principal Balance and the Carrying Amount of Acquired Loans [Line Items]
Outstanding principal balance	$ 151,653	$ 160,018
Carrying amount
Acquired Loans	129,578	136,991
Real Estate - Residential Mortgage [Member] | Purchased Credit Impaired [Member]
Carrying amount
Acquired Loans	2,238	2,694
Real Estate - Residential Mortgage [Member] | Purchased Performing [Member]
Carrying amount
Acquired Loans	21,497	29,285
Real Estate - Residential Mortgage [Member]
Carrying amount
Acquired Loans	23,735	31,979
Real Estate Construction [Member] | Purchased Credit Impaired [Member]
Carrying amount
Acquired Loans	608	771
Real Estate Construction [Member] | Purchased Performing [Member]
Carrying amount
Acquired Loans	191	917
Real Estate Construction [Member]
Carrying amount
Acquired Loans	799	1,688
Commercial, Financial and Agricultural Loan [Member] | Purchased Credit Impaired [Member]
Carrying amount
Acquired Loans	27,939	28,602
Commercial, Financial and Agricultural Loan [Member] | Purchased Performing [Member]
Carrying amount
Acquired Loans	58,302	55,204
Commercial, Financial and Agricultural Loan [Member]
Carrying amount
Acquired Loans	86,241	83,806
Equity Lines [Member] | Purchased Credit Impaired [Member]
Carrying amount
Acquired Loans	346	332
Equity Lines [Member] | Purchased Performing [Member]
Carrying amount
Acquired Loans	16,516	16,909
Equity Lines [Member]
Carrying amount
Acquired Loans	16,862	17,241
Consumer [Member] | Purchased Credit Impaired [Member]
Carrying amount
Acquired Loans	81	121
Consumer [Member] | Purchased Performing [Member]
Carrying amount
Acquired Loans	1,860	2,156
Consumer [Member]
Carrying amount
Acquired Loans	1,941	2,277
Purchased Credit Impaired [Member]
Note 4 - Loans (Details) - Outstanding Principal Balance and the Carrying Amount of Acquired Loans [Line Items]
Outstanding principal balance	47,409	49,041
Carrying amount
Acquired Loans	31,212	32,520
Purchased Performing [Member]
Note 4 - Loans (Details) - Outstanding Principal Balance and the Carrying Amount of Acquired Loans [Line Items]
Outstanding principal balance	104,244	110,977
Carrying amount
Acquired Loans	$ 98,366	$ 104,471