Note 5 - Loans (Details) - Loans Secured by Commercial Real Estate (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Secured by commercial real estate
Commercial real estate included in commercial loans held for sale	100.00%	100.00%
Construction, Land Development and Other Land Loan [Member]
Secured by commercial real estate
Gross loans (in Dollars)	$ 71,425	$ 76,558
Commercial real estate included in commercial loans held for sale	9.50%
Loans, gross	51.90%
Multi Family Residential [Member]
Secured by commercial real estate
Gross loans (in Dollars)	9,294	10,417
Commercial real estate included in commercial loans held for sale	1.20%
Loans, gross	6.70%
Non Farm Nonresidential [Member]
Secured by commercial real estate
Gross loans (in Dollars)	360,451	368,477
Commercial real estate included in commercial loans held for sale	47.90%
Loans, gross	261.70%
Commercial Real Estate Loans [Member]
Secured by commercial real estate
Gross loans (in Dollars)	$ 441,170
Commercial real estate included in commercial loans held for sale	58.60%	59.40%
Loans, gross	320.30%