Note 5 - Loans (Details) - Loans Secured by Commercial Real Estate (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013
Construction, Land Development and Other Land Loan [Member]
Secured by commercial real estate
Commercial real estate included in gross loans (in Dollars)	$ 76,558
Commercial real estate included in commercial loans held for sale	10.00%
Loans, gross	58.90%
Multi Family Residential [Member]
Secured by commercial real estate
Commercial real estate included in gross loans (in Dollars)	10,417
Commercial real estate included in commercial loans held for sale	1.30%
Loans, gross	8.00%
Non Farm Nonresidential [Member]
Secured by commercial real estate
Commercial real estate included in gross loans (in Dollars)	368,477
Commercial real estate included in commercial loans held for sale	48.00%
Loans, gross	283.60%
Commercial [Member]
Secured by commercial real estate
Commercial real estate included in gross loans (in Dollars)	$ 455,452
Commercial real estate included in commercial loans held for sale	59.30%
Loans, gross	350.50%