Loans and Allowance for Loan Losses - Summary Of Major Classifications Of Loans, By Purpose Code - (Detail) - USD ($)	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Loans And Leases Receivable Disclosure [Line Items]
Loans and Leases Receivable, Gross	$ 271,387,143	$ 267,543,095
Less: Allowance for loan losses	4,183,599	4,085,719	$ 3,064,777
Deferred loan fees	899,096	1,101,409
Loans and Leases Receivable, Net Amount, Total	$ 266,304,448	$ 262,355,967
Gross Loans Receivable Percentage	100.00%	100.00%
Consumer loans [Member]
Loans And Leases Receivable Disclosure [Line Items]
Loans and Leases Receivable, Gross	$ 1,373,761	$ 5,372,529
Gross Loans Receivable Percentage	0.51%	2.01%
Commercial and industrial loans [Member]
Loans And Leases Receivable Disclosure [Line Items]
Loans and Leases Receivable, Gross	$ 15,900,097	$ 29,599,982
Gross Loans Receivable Percentage	5.85%	11.06%
Real Estate [Member]
Loans And Leases Receivable Disclosure [Line Items]
Loans and Leases Receivable, Gross	$ 254,113,285	$ 232,570,584
Real Estate [Member] \| Residential [Member]
Loans And Leases Receivable Disclosure [Line Items]
Loans and Leases Receivable, Gross	$ 98,433,124	$ 105,837,324
Gross Loans Receivable Percentage	36.27%	39.56%
Real Estate [Member] \| Home equity [Member]
Loans And Leases Receivable Disclosure [Line Items]
Loans and Leases Receivable, Gross	$ 11,510,661	$ 8,892,417
Gross Loans Receivable Percentage	4.24%	3.32%
Real Estate [Member] \| Multi-family [Member]
Loans And Leases Receivable Disclosure [Line Items]
Loans and Leases Receivable, Gross	$ 19,937,187	$ 15,140,468
Gross Loans Receivable Percentage	7.35%	5.66%
Real Estate [Member] \| Commercial [Member]
Loans And Leases Receivable Disclosure [Line Items]
Loans and Leases Receivable, Gross	$ 89,830,611	$ 72,717,869
Gross Loans Receivable Percentage	33.10%	27.18%
Real Estate [Member] \| Construction and land development [Member]
Loans And Leases Receivable Disclosure [Line Items]
Loans and Leases Receivable, Gross	$ 34,401,702	$ 29,982,506
Gross Loans Receivable Percentage	12.68%	11.21%

Gross loans receivable percentage.

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- Definition

Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

+ References

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- Definition

Amount of deferred interest and fee income, unamortized costs incurred to originate loans and leases, unamortized loan commitments and loan syndication fees, and premiums over or discounts from face amounts of acquired loans. Excludes amounts for loans and leases covered under loss sharing agreements.

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Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

+ References

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- Definition

Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale.

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