FAIR VALUE - Summary of assets measured at fair value on a recurring basis (Detail) - USD ($)	Jun. 30, 2022	Dec. 31, 2021
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Securities available for sale	$ 97,507,693	$ 41,838,798
MBSs - residential
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Securities available for sale	41,383,955	21,760,245
MBSs - commercial
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Securities available for sale	23,076,428	9,699,205
Fair Value, Recurring Basis | Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Securities available for sale	9,870,432
Fair Value, Recurring Basis | Significant Other Observable Inputs (Level 2)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Securities available for sale	87,637,261	41,838,798
Fair Value, Recurring Basis | U.S Treasury Bills | Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Securities available for sale	9,870,432
Fair Value, Recurring Basis | U.S. Government and Agency Obligations | Significant Other Observable Inputs (Level 2)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Securities available for sale	5,567,109	2,981,730
Fair Value, Recurring Basis | Corporate Bonds | Significant Other Observable Inputs (Level 2)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Securities available for sale	17,609,769	7,397,618
Fair Value, Recurring Basis | MBSs - residential | Significant Other Observable Inputs (Level 2)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Securities available for sale	41,383,955	21,760,245
Fair Value, Recurring Basis | MBSs - commercial | Significant Other Observable Inputs (Level 2)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Securities available for sale	23,076,428	9,699,205
Fair Value, Recurring Basis | Carrying Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Securities available for sale	97,507,693	41,838,798
Fair Value, Recurring Basis | Carrying Value | U.S Treasury Bills
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Securities available for sale	9,870,432
Fair Value, Recurring Basis | Carrying Value | U.S. Government and Agency Obligations
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Securities available for sale	5,567,109	2,981,730
Fair Value, Recurring Basis | Carrying Value | Corporate Bonds
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Securities available for sale	17,609,769	7,397,618
Fair Value, Recurring Basis | Carrying Value | MBSs - residential
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Securities available for sale	41,383,955	21,760,245
Fair Value, Recurring Basis | Carrying Value | MBSs - commercial
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Securities available for sale	$ 23,076,428	$ 9,699,205