Securities - Schedule of Amortized Cost, Fair Value, and the Corresponding Amounts of Gross Unrealized Gains and Losses (Details) - USD ($)	9 Months Ended	12 Months Ended
Sep. 30, 2018	Dec. 31, 2017
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	$ 47,790,767	$ 42,075,426
Gross Unrealized Gains		2,001
Gross Unrealized Losses	(1,466,609)	(605,716)
Securities available for sale, at fair value	46,324,158	41,471,711
U.S. Government Sponsored Agency Securities
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	6,992,706	6,988,681
Gross Unrealized Gains		2,001
Gross Unrealized Losses	(125,777)	(58,674)
Securities available for sale, at fair value	6,866,929	6,932,008
Mortgage-backed Securities, Residential
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	15,161,985	14,109,433
Gross Unrealized Losses	(448,856)	(168,908)
Securities available for sale, at fair value	14,713,129	13,940,525
Collateralized Mortgage Obligations
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	25,636,076	18,458,814
Gross Unrealized Losses	(891,976)	(345,316)
Securities available for sale, at fair value	$ 24,744,100	18,113,498
Other Securities
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost		2,518,498
Gross Unrealized Losses		(32,818)
Securities available for sale, at fair value		$ 2,485,680

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

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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.

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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

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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