Note 4 - Loans and Allowance for Loan Losses - Nonaccuing Loans (Details) - USD ($)	Jun. 30, 2016	Dec. 31, 2015
Residential Portfolio Segment [Member] | One To Four Family Units [Member]
Nonaccruing loans	$ 2,161,204	$ 2,272,535
Residential Portfolio Segment [Member] | Multi Family Units [Member]
Nonaccruing loans
Residential Portfolio Segment [Member] | Construction Loans [Member]
Nonaccruing loans	7,728,032	8,079,807
Commercial Real Estate Portfolio Segment [Member]
Nonaccruing loans	246,233	1,240,909
Commercial Portfolio Segment [Member]
Nonaccruing loans	1,159,871	2,149,333
Consumer Portfolio Segment [Member] | Other Loans [Member]
Nonaccruing loans	260,587	12,891
Nonaccruing loans	$ 11,555,927	$ 13,755,475