Note 3 - Loans (Detail) - Loans on nonaccrual status were as follows (USD $)	Mar. 31, 2013	Dec. 31, 2012
Loans on nonaccrual status	$ 7,029,000	$ 12,116,000
Commercial real estate lending [Member] | commercial, financial and agricultural (Member)
Loans on nonaccrual status	3,349,000	3,426,000
Land acquisition and development lending [Member] | commercial, financial and agricultural (Member)
Loans on nonaccrual status		5,234,000
Builder Line Lending [Member] | commercial, financial and agricultural (Member)
Loans on nonaccrual status	15,000	15,000
Commercial Business Lending [Member] | commercial, financial and agricultural (Member)
Loans on nonaccrual status	760,000	759,000
Real Estate - Residential Mortgage (Member)
Loans on nonaccrual status	1,964,000	1,805,000
Equity Lines (Member)
Loans on nonaccrual status	78,000	31,000
consumer (Member)
Loans on nonaccrual status	188,000	191,000
consumer finance (Member)
Loans on nonaccrual status	$ 675,000	$ 655,000