Note 4 - Loans and Allowance for Loan Losses (Details) - Loan Portfolio by Credit Quality - USD ($)	Jun. 30, 2015	Dec. 31, 2014
Rating:
Loans receivable	$ 511,590,998	$ 493,437,064
Pass [Member]
Rating:
Loans receivable	473,270,000	457,808,000
Special Mention [Member]
Rating:
Loans receivable	20,248,000	24,372,000
Substandard [Member]
Rating:
Loans receivable	17,469,000	10,797,000
Doubtful [Member]
Rating:
Loans receivable	604,000	460,000
Residential Portfolio Segment [Member] | Construction Loans [Member]
Rating:
Loans receivable	35,368,786	36,784,584
Residential Portfolio Segment [Member] | Construction Loans [Member] | Pass [Member]
Rating:
Loans receivable	25,735,000	27,370,000
Residential Portfolio Segment [Member] | Construction Loans [Member] | Special Mention [Member]
Rating:
Loans receivable	6,949,000	6,522,000
Residential Portfolio Segment [Member] | Construction Loans [Member] | Substandard [Member]
Rating:
Loans receivable	2,684,000	2,893,000
Residential Portfolio Segment [Member] | One-to-four Family Units [Member]
Rating:
Loans receivable	95,902,509	97,900,814
Residential Portfolio Segment [Member] | One-to-four Family Units [Member] | Pass [Member]
Rating:
Loans receivable	88,399,000	94,129,000
Residential Portfolio Segment [Member] | One-to-four Family Units [Member] | Special Mention [Member]
Rating:
Loans receivable	5,225,000	2,501,000
Residential Portfolio Segment [Member] | One-to-four Family Units [Member] | Substandard [Member]
Rating:
Loans receivable	2,279,000	1,271,000
Residential Portfolio Segment [Member] | Multi-family Units [Member]
Rating:
Loans receivable	39,993,133	33,785,959
Residential Portfolio Segment [Member] | Multi-family Units [Member] | Pass [Member]
Rating:
Loans receivable	39,414,000	33,786,000
Residential Portfolio Segment [Member] | Multi-family Units [Member] | Special Mention [Member]
Rating:
Loans receivable	579,000
Commercial Real Estate Portfolio Segment [Member]
Rating:
Loans receivable	228,795,902	215,605,054
Commercial Real Estate Portfolio Segment [Member] | Pass [Member]
Rating:
Loans receivable	218,931,000	207,311,000
Commercial Real Estate Portfolio Segment [Member] | Special Mention [Member]
Rating:
Loans receivable	3,900,000	5,076,000
Commercial Real Estate Portfolio Segment [Member] | Substandard [Member]
Rating:
Loans receivable	5,965,000	2,758,000
Commercial Real Estate Portfolio Segment [Member] | Doubtful [Member]
Rating:
Loans receivable		460,000
Commercial Portfolio Segment [Member]
Rating:
Loans receivable	89,707,877	92,114,216
Commercial Portfolio Segment [Member] | Pass [Member]
Rating:
Loans receivable	79,300,000	78,197,000
Commercial Portfolio Segment [Member] | Special Mention [Member]
Rating:
Loans receivable	3,595,000	10,273,000
Commercial Portfolio Segment [Member] | Substandard [Member]
Rating:
Loans receivable	6,209,000	3,644,000
Commercial Portfolio Segment [Member] | Doubtful [Member]
Rating:
Loans receivable	604,000
Consumer Portfolio Segment [Member] | Other Loans [Member]
Rating:
Loans receivable	21,822,792	17,246,437
Consumer Portfolio Segment [Member] | Other Loans [Member] | Pass [Member]
Rating:
Loans receivable	21,491,000	17,015,000
Consumer Portfolio Segment [Member] | Other Loans [Member] | Substandard [Member]
Rating:
Loans receivable	$ 332,000	$ 231,000