Note 5 - Loans (Details) - Troubled Debt Restructurings (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Construction, Land Development and Other Land Loan [Member]
Note 5 - Loans (Details) - Troubled Debt Restructurings [Line Items]
Number of loans		1		1
Recorded Investment		$ 56		$ 56
Non Farm Nonresidential [Member]
Note 5 - Loans (Details) - Troubled Debt Restructurings [Line Items]
Number of loans			2
Recorded Investment			2,597
Commercial Real Estate Loans [Member]
Note 5 - Loans (Details) - Troubled Debt Restructurings [Line Items]
Number of loans		1	2	1
Recorded Investment		56	2,597	56
Commercial and Industrial [Member]
Note 5 - Loans (Details) - Troubled Debt Restructurings [Line Items]
Number of loans	1		1
Recorded Investment	236		236
Loan Gross [Member]
Note 5 - Loans (Details) - Troubled Debt Restructurings [Line Items]
Number of loans	1	1	3	1
Recorded Investment	$ 236	$ 56	$ 2,833	$ 56