Note 4 - Loans and Allowance for Loan Losses (Details) - Troubled Debt Restructurings (USD $)	3 Months Ended
	Jun. 30, 2013	Dec. 31, 2012	Jun. 30, 2012
Real estate - residential mortgage:
Troubled Debt Restructurings Number of Loans	1
Troubled Debt Restructurings Pre-Modification Outstanding Recorded Balance	$ 245,528
Troubled Debt Restructurings Post-Modification Outstanding Recorded Balance	245,528
Troubled Debt Restructurings Balance	15,775,624	11,980,742	390,898
One to Four Family Units [Member] | Interest Rate [Member]
Real estate - residential mortgage:
Troubled Debt Restructurings Balance	0
One to Four Family Units [Member] | Term [Member]
Real estate - residential mortgage:
Troubled Debt Restructurings Balance	0
One to Four Family Units [Member] | Combination [Member]
Real estate - residential mortgage:
Troubled Debt Restructurings Balance	245,528
One to Four Family Units [Member] | Modifications in Current Year [Member]
Real estate - residential mortgage:
Troubled Debt Restructurings Balance	245,528
One to Four Family Units [Member]
Real estate - residential mortgage:
Troubled Debt Restructurings Number of Loans	1
Troubled Debt Restructurings Pre-Modification Outstanding Recorded Balance	245,528
Troubled Debt Restructurings Post-Modification Outstanding Recorded Balance	245,528
Troubled Debt Restructurings Balance	1,838,564	1,653,934
Multi-Family Units [Member] | Interest Rate [Member]
Real estate - residential mortgage:
Troubled Debt Restructurings Balance	0
Multi-Family Units [Member] | Term [Member]
Real estate - residential mortgage:
Troubled Debt Restructurings Balance	0
Multi-Family Units [Member] | Combination [Member]
Real estate - residential mortgage:
Troubled Debt Restructurings Balance	0
Multi-Family Units [Member] | Modifications in Current Year [Member]
Real estate - residential mortgage:
Troubled Debt Restructurings Balance	0
Multi-Family Units [Member]
Real estate - residential mortgage:
Troubled Debt Restructurings Number of Loans	0
Troubled Debt Restructurings Pre-Modification Outstanding Recorded Balance	0
Troubled Debt Restructurings Post-Modification Outstanding Recorded Balance	0
Troubled Debt Restructurings Balance	0	0
Real Estate Construction [Member] | Interest Rate [Member]
Real estate - residential mortgage:
Troubled Debt Restructurings Balance	0
Real Estate Construction [Member] | Term [Member]
Real estate - residential mortgage:
Troubled Debt Restructurings Balance	0
Real Estate Construction [Member] | Combination [Member]
Real estate - residential mortgage:
Troubled Debt Restructurings Balance	0
Real Estate Construction [Member] | Modifications in Current Year [Member]
Real estate - residential mortgage:
Troubled Debt Restructurings Balance	0
Real Estate Construction [Member]
Real estate - residential mortgage:
Troubled Debt Restructurings Number of Loans	0
Troubled Debt Restructurings Pre-Modification Outstanding Recorded Balance	0
Troubled Debt Restructurings Post-Modification Outstanding Recorded Balance	0
Troubled Debt Restructurings Balance	6,050,964	6,229,201
Real Estate Commercial [Member] | Interest Rate [Member]
Real estate - residential mortgage:
Troubled Debt Restructurings Balance	0
Real Estate Commercial [Member] | Term [Member]
Real estate - residential mortgage:
Troubled Debt Restructurings Balance	0
Real Estate Commercial [Member] | Combination [Member]
Real estate - residential mortgage:
Troubled Debt Restructurings Balance	0
Real Estate Commercial [Member] | Modifications in Current Year [Member]
Real estate - residential mortgage:
Troubled Debt Restructurings Balance	0
Real Estate Commercial [Member]
Real estate - residential mortgage:
Troubled Debt Restructurings Number of Loans	0
Troubled Debt Restructurings Pre-Modification Outstanding Recorded Balance	0
Troubled Debt Restructurings Post-Modification Outstanding Recorded Balance	0
Troubled Debt Restructurings Balance	5,170,591	2,246,508
Commercial Loans [Member] | Interest Rate [Member]
Real estate - residential mortgage:
Troubled Debt Restructurings Balance	0
Commercial Loans [Member] | Term [Member]
Real estate - residential mortgage:
Troubled Debt Restructurings Balance	0
Commercial Loans [Member] | Combination [Member]
Real estate - residential mortgage:
Troubled Debt Restructurings Balance	0
Commercial Loans [Member] | Modifications in Current Year [Member]
Real estate - residential mortgage:
Troubled Debt Restructurings Balance	0
Commercial Loans [Member]
Real estate - residential mortgage:
Troubled Debt Restructurings Number of Loans	0
Troubled Debt Restructurings Pre-Modification Outstanding Recorded Balance	0
Troubled Debt Restructurings Post-Modification Outstanding Recorded Balance	0
Troubled Debt Restructurings Balance	2,715,505	1,851,099
Consumer and Other Loans [Member] | Interest Rate [Member]
Real estate - residential mortgage:
Troubled Debt Restructurings Balance	0
Consumer and Other Loans [Member] | Term [Member]
Real estate - residential mortgage:
Troubled Debt Restructurings Balance	0
Consumer and Other Loans [Member] | Combination [Member]
Real estate - residential mortgage:
Troubled Debt Restructurings Balance	0
Consumer and Other Loans [Member] | Modifications in Current Year [Member]
Real estate - residential mortgage:
Troubled Debt Restructurings Balance	0
Consumer and Other Loans [Member]
Real estate - residential mortgage:
Troubled Debt Restructurings Number of Loans	0
Troubled Debt Restructurings Pre-Modification Outstanding Recorded Balance	0
Troubled Debt Restructurings Post-Modification Outstanding Recorded Balance	0
Troubled Debt Restructurings Balance	0	0
Interest Rate [Member]
Real estate - residential mortgage:
Troubled Debt Restructurings Balance	0
Term [Member]
Real estate - residential mortgage:
Troubled Debt Restructurings Balance	0
Combination [Member]
Real estate - residential mortgage:
Troubled Debt Restructurings Balance	245,528
Modifications in Current Year [Member]
Real estate - residential mortgage:
Troubled Debt Restructurings Balance	$ 245,528