Note 8 - Fair Value Measurements (Details) - Level 3 Fair Value Measurements (Discounted Appraised Value [Member], Other Real Estate Owned [Member])	9 Months Ended
	Sep. 30, 2014
Minimum [Member] | Selling Cost [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Other real estate owned	0.00%	[1]
Minimum [Member] | Discount, Lack Of Marketability And Age Of Appraisal [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Other real estate owned	3.76%
Maximum [Member] | Selling Cost [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Other real estate owned	10.00%
Maximum [Member] | Discount, Lack Of Marketability And Age Of Appraisal [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Other real estate owned	48.33%
Weighted Average [Member] | Selling Cost [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Other real estate owned	9.13%
Weighted Average [Member] | Discount, Lack Of Marketability And Age Of Appraisal [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Other real estate owned	14.64%
Selling Cost [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Other real estate owned	Discounted appraised value
Other real estate owned	Discounted appraised value
Discount, Lack Of Marketability And Age Of Appraisal [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Other real estate owned	Discounted appraised value
Other real estate owned	Discounted appraised value

[1] The Company markets other real estate owned both independently and with local realtors. Properties marketed by realtors are discounted by selling costs. Properties that the Company markets independently are not discounted by selling costs.