Investment Securities - Schedule of Securities Available for Sale (Details) - USD ($)	9 Months Ended	12 Months Ended
Sep. 30, 2018	Dec. 31, 2017
Amortized Cost	$ 60,244,830	$ 54,253,823
Unrealized Gains	81,752	761,248
Unrealized Losses	1,750,377	751,810
Total Estimated Fair Value	58,576,205	54,263,261
U.S. Government Treasury Securities [Member]
Amortized Cost	981,520	979,983
Unrealized Gains	0	0
Unrealized Losses	56,360	12,213
Total Estimated Fair Value	925,160	967,770
U.S. Government Agency Securities [Member]
Amortized Cost	46,873,936	43,978,023
Unrealized Gains	59,672	580,366
Unrealized Losses	1,511,923	698,299
Total Estimated Fair Value	45,421,685	43,860,090
State and Municipal Securities [Member]
Amortized Cost	7,416,868	7,482,912
Unrealized Gains	1,425	129,231
Unrealized Losses	111,000	38,454
Total Estimated Fair Value	7,307,293	7,573,689
Residential Mortgage-Backed Securities [Member]
Amortized Cost	4,972,506	1,812,905
Unrealized Gains	20,655	51,651
Unrealized Losses	71,094	2,844
Total Estimated Fair Value	$ 4,922,067	$ 1,861,712

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

No definition available.

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- Definition

This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any.

+ References

No definition available.

+ Details

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- Definition

Amount of unrealized gain before deducting unrealized loss on investments in debt and equity securities classified as available-for-sale securities.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27161-111563

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- Definition

Amount of unrealized loss before deducting unrealized gain on investments in available-for-sale securities.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27161-111563

+ Details

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