Note 6 - Other Loans Held for Sale and Valuation Allowance (Details) - Other Loans Held for Sale and Valuation Allowance (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2012
Note 6 - Other Loans Held for Sale and Valuation Allowance (Details) - Other Loans Held for Sale and Valuation Allowance [Line Items]
Valuation allowance		$ 1,512	$ 1,512
SBA Loans [Member] | Gross [Member]
Note 6 - Other Loans Held for Sale and Valuation Allowance (Details) - Other Loans Held for Sale and Valuation Allowance [Line Items]
Loans transferred to other loans held for sale	1,166	1,730
Proceeds from sales of SBA loans	1,236	1,903
Gain on sales of SBA loans	(70)	(173)
Gross [Member]
Note 6 - Other Loans Held for Sale and Valuation Allowance (Details) - Other Loans Held for Sale and Valuation Allowance [Line Items]
Balance		2,288	2,288
Total additions	1,166	1,730
Total reductions	$ 1,166	$ 1,730