Note 15 - Income Taxes (Details) - Statutory Federal Income Tax Rate to Effective Income Tax Rate	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Statutory Federal Income Tax Rate to Effective Income Tax Rate [Abstract]
U.S. statutory federal income tax rate	35.00%	35.00%	35.00%
Changes from statutory rates resulting from:
State income tax, net of federal benefit	8.60%
Tax-exempt income	(1.50%)	(74.10%)	4.50%
Expenses not deductible for tax purposes	0.30%	2.60%	(0.20%)
(Decrease) increase in deferred tax asset valuation allowance	(240.00%)	352.20%	(29.00%)
Other	0.10%	1.90%	(0.10%)
Effective income tax rate	(197.50%)	317.60%	10.20%