Note 3 - Loans and Allowance for Loan Losses (Details) - Troubled Debt Restructurings	12 Months Ended
Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)
Financing Receivable, Modifications [Line Items]
Number of loans	16	3
Pre-modification outstanding recorded balance	$ 9,146,742	$ 1,118,526
Post-modification outstanding recorded balance	$ 7,934,375	$ 1,118,526
Residential Portfolio Segment [Member] \| One-to-four Family Units [Member]
Financing Receivable, Modifications [Line Items]
Number of loans	7	1
Pre-modification outstanding recorded balance	$ 1,345,358	$ 287,500
Post-modification outstanding recorded balance	$ 1,345,358	$ 287,500
Residential Portfolio Segment [Member] \| Multi-family Units [Member]
Financing Receivable, Modifications [Line Items]
Number of loans	0	0
Pre-modification outstanding recorded balance	$ 0	$ 0
Post-modification outstanding recorded balance	$ 0	$ 0
Residential Portfolio Segment [Member] \| Construction Loans [Member]
Financing Receivable, Modifications [Line Items]
Number of loans	5	0
Pre-modification outstanding recorded balance	$ 6,889,044	$ 0
Post-modification outstanding recorded balance	$ 5,655,969	$ 0
Commercial Real Estate Portfolio Segment [Member]
Financing Receivable, Modifications [Line Items]
Number of loans	1	0
Pre-modification outstanding recorded balance	$ 161,491	$ 0
Post-modification outstanding recorded balance	$ 161,491	$ 0
Commercial Portfolio Segment [Member]
Financing Receivable, Modifications [Line Items]
Number of loans	3	2
Pre-modification outstanding recorded balance	$ 750,849	$ 831,026
Post-modification outstanding recorded balance	$ 771,557	$ 831,026
Consumer Portfolio Segment [Member] \| Other Loans [Member]
Financing Receivable, Modifications [Line Items]
Number of loans	0	0
Pre-modification outstanding recorded balance	$ 0	$ 0
Post-modification outstanding recorded balance	$ 0	$ 0

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Number of financing receivables that have been modified by troubled debt restructurings.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953676-111524

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