Note 6 - Fair Value (Details) - Quantitative Information About Level Fair Value Measurements (USD $)	3 Months Ended	12 Months Ended
	Mar. 31, 2014	Dec. 31, 2013
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Fair value	$ 17,972,804	$ 19,516,934
Impaired Loans/Leases [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Fair value	7,524,198	9,009,557
Valuation technique	Appraisal of collateral	Appraisal of collateral
Other Real Estate Owned [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Fair value	$ 10,448,606	$ 10,507,377
Valuation technique	Appraisal of collateral	Appraisal of collateral
Minimum [Member] | Impaired Loans/Leases [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Range	(10.00%)	(10.00%)
Minimum [Member] | Other Real Estate Owned [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Range	0.00%	0.00%
Maximum [Member] | Impaired Loans/Leases [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Range	(50.00%)	(50.00%)
Maximum [Member] | Other Real Estate Owned [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Range	(35.00%)	(35.00%)