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	9 Months Ended
	Jun. 30, 2013	Sep. 30, 2013	Sep. 30, 2012
Note 6 - Other Loans Held for Sale and Valuation Allowance (Details) - Other Loans Held for Sale and Valuation Allowance [Line Items]
Beginning balance valuation allowance		$ 1,512	$ 2,561
Additions:
Writedowns on other loans held for sale included in valuation allowance, net			100
Total additions valuation allowance			100
Reductions:
Proceeds from sales of other loans held for sale		1,102	13,564
Proceeds from sales of other loans held for sale valuation allowance		1,512	874
Other loans held for sale transferred to gross loans			9
Gain on sales of SBA loans	326
Total reductions valuation allowance		1,512	883
Ending balance valuation allowance		0	1,778
SBA Loans [Member] | Gross [Member]
Additions:
Loans transferred to other loans held for sale		2,015	150
Gross Loans [Member] | Gross [Member]
Additions:
Loans transferred to other loans held for sale			7,508
Other Gross Loans [Member] | Gross [Member]
Additions:
Other gross loans transferred to other loans held for sale			12,214
Gross [Member]
Note 6 - Other Loans Held for Sale and Valuation Allowance (Details) - Other Loans Held for Sale and Valuation Allowance [Line Items]
Beginning balance		2,288	16,739
Additions:
Total additions		2,015	19,872
Reductions:
Proceeds from sales of other loans held for sale		2,614	22,100
Transfers to foreclosed real estate			1,814
Other loans held for sale transferred to gross loans			1,327
Direct writedowns on other loans held for sale			2,434
Net paydowns			70
Proceeds from sales of SBA loans		2,222
Gain on sales of other loans held for sale		(326)
Gain on sales of SBA loans		(207)
Total reductions		4,303	27,745
Ending balance		$ 0	$ 8,866