Note 4 - Loans and Allowance for Loan Losses (Details) - Troubled Debt Restructurings - USD ($)	Jun. 30, 2015	Dec. 31, 2014
Real estate - residential mortgage:
Trobled debt restructuring	$ 3,622,987	$ 4,657,214
Residential Portfolio Segment [Member] | One-to-four Family Units [Member]
Real estate - residential mortgage:
Trobled debt restructuring	220,087	505,047
Residential Portfolio Segment [Member] | Construction Loans [Member]
Real estate - residential mortgage:
Trobled debt restructuring	2,683,792	2,892,772
Commercial Real Estate Portfolio Segment [Member]
Real estate - residential mortgage:
Trobled debt restructuring		459,823
Commercial Portfolio Segment [Member]
Real estate - residential mortgage:
Trobled debt restructuring	$ 719,108	$ 799,572