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SECURITIES AVAILABLE FOR SALE - Summary of debt securities available for sale and unrealized loss position (Detail) - USD ($)
Mar. 31, 2022
Dec. 31, 2021
Debt Securities Available For Sale Unrealized Loss Position Fair Value [Line Items]    
Fair Value, Less Than 12 Months $ 86,243,288 $ 23,688,016
Unrealized Losses, Less Than 12 Months (3,367,545) (84,135)
Fair Value, 12 Months or More 249,487 250,581
Unrealized Losses, 12 Months or More (2,195) (1,939)
Fair Value, Total 86,492,775 23,938,597
Unrealized Losses, Total (3,369,740) (86,074)
U.S Treasury Bills    
Debt Securities Available For Sale Unrealized Loss Position Fair Value [Line Items]    
Fair Value, Less Than 12 Months 5,073,448  
Unrealized Losses, Less Than 12 Months (146)  
Fair Value, Total 5,073,448  
Unrealized Losses, Total (146)  
U.S. Government and Agency Obligations    
Debt Securities Available For Sale Unrealized Loss Position Fair Value [Line Items]    
Fair Value, Less Than 12 Months 5,750,586 2,981,730
Unrealized Losses, Less Than 12 Months (249,414) (18,270)
Fair Value, Total 5,750,586 2,981,730
Unrealized Losses, Total (249,414) (18,270)
Corporate Bonds    
Debt Securities Available For Sale Unrealized Loss Position Fair Value [Line Items]    
Fair Value, Less Than 12 Months 14,168,651 1,006,523
Unrealized Losses, Less Than 12 Months (254,983) (636)
Fair Value, Total 14,168,651 1,006,523
Unrealized Losses, Total (254,983) (636)
Residential Mortgage Backed Securities    
Debt Securities Available For Sale Unrealized Loss Position Fair Value [Line Items]    
Fair Value, Less Than 12 Months 44,496,290 10,000,558
Unrealized Losses, Less Than 12 Months (2,014,175) (22,652)
Fair Value, 12 Months or More 249,487 250,581
Unrealized Losses, 12 Months or More (2,195) (1,939)
Fair Value, Total 44,745,777 10,251,139
Unrealized Losses, Total (2,016,370) (24,591)
Commercial Mortgage Backed Securities    
Debt Securities Available For Sale Unrealized Loss Position Fair Value [Line Items]    
Fair Value, Less Than 12 Months 16,754,313 9,699,205
Unrealized Losses, Less Than 12 Months (848,827) (42,577)
Fair Value, Total 16,754,313 9,699,205
Unrealized Losses, Total $ (848,827) $ (42,577)