SECURITIES HELD TO MATURITY - Summary of amortized cost, fair value, and gross unrecognized gains and losses of securities held to maturity by contractual maturity (Detail) - USD ($)	Jun. 30, 2022	Dec. 31, 2021
Marketable Securities [Line Items]
Amortized Cost	$ 86,432,340	$ 74,053,099
Gross Unrealized Gains	17,380	822,646
Gross Unrealized Losses	(6,591,324)	(794,686)
Fair Value	79,858,396	74,081,059
U.S. Government and Agency Obligations
Marketable Securities [Line Items]
Securities held to maturity, due in One through five years, Amortized Cost	10,000,000
Securities held to maturity, due in Five through ten years, Amortized Cost	3,000,000	3,000,000
Securities held to maturity, due in One through five years, Gross Unrealized Gains	(288,760)
Securities held to maturity, due in Five through ten years, Gross Unrealized Gains	(340,374)
Securities held to maturity, due in One through five years, Fair Value	9,711,240
Securities held to maturity, due in Five through ten years, Fair Value	2,659,626	3,000,000
Corporate Bonds
Marketable Securities [Line Items]
Securities held to maturity, due in One through five years, Amortized Cost	938,800
Securities held to maturity, due in Five through ten years, Amortized Cost	15,317,671	13,681,053
Securities held to maturity, due in Five through ten years, Gross Unrealized Gains	14,613	410,726
Securities held to maturity, due in One through five years, Gross Unrealized Losses	(40,579)
Securities held to maturity, due in Five through ten years, Gross Unrealized Losses	(416,722)	(39,870)
Securities held to maturity, due in One through five years, Fair Value	898,221
Securities held to maturity, due in Five through ten years, Fair Value	14,915,562	14,051,909
Municipal Obligations
Marketable Securities [Line Items]
Securities held to maturity, due in Less than one year, Amortized Cost	8,453,894	4,006,006
Securities held to maturity, due in One through five years, Amortized Cost	1,223,015	903,483
Securities held to maturity, due in Five through ten years, Amortized Cost	375,000	375,000
Securities held to maturity, due in more than ten years, Amortized Cost	1,730,290	1,732,386
Securities held to maturity, due in Less than one year, Gross Unrealized Gains	595	12,668
Securities held to maturity, due in One through five years, Gross Unrealized Gains	499
Securities held to maturity, due in Five through ten years, Gross Unrealized Gains	128	27,353
Securities held to maturity, due in more than ten years, Gross Unrealized Gains		9,527
Securities held to maturity, due in Less than one year, Gross Unrealized Losses	(40,660)	(2,776)
Securities held to maturity, due in One through five years, Gross Unrealized Losses	(71,658)	(15,399)
Securities held to maturity, due in more than ten years, Gross Unrealized Losses	(372,950)
Securities held to maturity, due in Less than one year, Fair Value	8,413,829	4,015,898
Securities held to maturity, due in One through five years, Fair Value	1,151,856	888,084
Securities held to maturity, due in Five through ten years, Fair Value	375,128	402,353
Securities held to maturity, due in more than ten years, Fair Value	1,357,340	1,741,913
Residential Mortgage Backed Securities
Marketable Securities [Line Items]
Amortized Cost	15,543,065	16,913,787
Gross Unrealized Gains	1,545	75,094
Gross Unrealized Losses	(1,670,272)	(240,797)
Fair Value	13,874,338	16,748,084
Commercial Mortgage Backed Securities
Marketable Securities [Line Items]
Amortized Cost	29,850,605	33,441,384
Gross Unrealized Gains		287,278
Gross Unrealized Losses	(3,349,349)	(495,844)
Fair Value	$ 26,501,256	$ 33,232,818

Debt securities, held-to-maturity, maturities after ten years accumulated unrecognized gain.

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