4. Investment Securities (Details) - USD ($)	3 Months Ended	12 Months Ended
Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Available for sale Securities
Amortized Cost - Available for sale Securities	$ 29,306,018	$ 31,614,840	$ 26,539,180
Gross Unrealized Gains - Available for sale Securities	281,777	194,279	27,569
Gross Unrealized Losses - Available for sale Securities	15,674	2,553	96,349
Fair Value - Available for sale Securities	29,572,121	31,806,566	26,470,400
U.S. GSE debt securities
Available for sale Securities
Amortized Cost - Available for sale Securities	12,817,362	18,904,234	12,832,059
Gross Unrealized Gains - Available for sale Securities	115,533	102,297	22,523
Gross Unrealized Losses - Available for sale Securities	0	2,553	22,139
Fair Value - Available for sale Securities	12,932,895	19,003,978	12,832,443
Agency mortgage-backed securities (Agency MBS)
Available for sale Securities
Amortized Cost - Available for sale Securities	13,515,656	8,716,244	10,734,121
Gross Unrealized Gains - Available for sale Securities	105,722	77,867	0
Gross Unrealized Losses - Available for sale Securities	15,674	0	69,637
Fair Value - Available for sale Securities	13,605,704	8,794,111	10,664,484
Other investments
Available for sale Securities
Amortized Cost - Available for sale Securities	2,973,000		2,973,000
Gross Unrealized Gains - Available for sale Securities	60,522		5,046
Gross Unrealized Losses - Available for sale Securities	0		4,573
Fair Value - Available for sale Securities	$ 3,033,522		$ 2,973,473
U.S. Government securities
Available for sale Securities
Amortized Cost - Available for sale Securities		3,994,362
Gross Unrealized Gains - Available for sale Securities		14,115
Gross Unrealized Losses - Available for sale Securities		0
Fair Value - Available for sale Securities		$ 4,008,477

Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 25
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=51813488&loc=d3e22054-111558

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 5
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-URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27232-111563

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 45
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-Name Accounting Standards Codification
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-SubTopic 10
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