SECURITIES HELD TO MATURITY - Summary of debt securities held to maturity and unrealized loss position (Detail) - USD ($)	Jun. 30, 2023	Dec. 31, 2022
Marketable Securities [Line Items]
Fair Value, Less Than 12 Months	$ 7,280,136	$ 38,069,709
Unrealized Losses, Less Than 12 Months	(510,877)	(1,557,872)
Fair Value, 12 Months or More	52,926,900	29,645,962
Unrealized Losses, 12 Months or More	(7,542,805)	(5,227,489)
Fair Value, Total	60,207,036	67,715,671
Unrealized Losses, Total	(8,053,682)	(6,785,361)
U.S. Government and Agency Obligations
Marketable Securities [Line Items]
Fair Value, Less Than 12 Months		9,543,150
Unrealized Losses, Less Than 12 Months		(456,850)
Fair Value, 12 Months or More	12,096,540	2,533,134
Unrealized Losses, 12 Months or More	(903,460)	(466,866)
Fair Value, Total	12,096,540	12,076,284
Unrealized Losses, Total	(903,460)	(923,716)
Corporate Bonds
Marketable Securities [Line Items]
Fair Value, Less Than 12 Months	7,141,119	11,464,282
Unrealized Losses, Less Than 12 Months	(508,820)	(680,447)
Fair Value, 12 Months or More	10,426,010	3,329,054
Unrealized Losses, 12 Months or More	(1,657,861)	(420,946)
Fair Value, Total	17,567,129	14,793,336
Unrealized Losses, Total	(2,166,681)	(1,101,393)
Municipal Bonds
Marketable Securities [Line Items]
Fair Value, Less Than 12 Months		7,670,152
Unrealized Losses, Less Than 12 Months		(36,250)
Fair Value, 12 Months or More	2,264,024	2,199,401
Unrealized Losses, 12 Months or More	(364,107)	(431,328)
Fair Value, Total	2,264,024	9,869,553
Unrealized Losses, Total	(364,107)	(467,578)
MBSs - residential
Marketable Securities [Line Items]
Fair Value, Less Than 12 Months	139,017	2,008,303
Unrealized Losses, Less Than 12 Months	(2,057)	(101,341)
Fair Value, 12 Months or More	10,511,096	10,809,648
Unrealized Losses, 12 Months or More	(1,588,652)	(1,330,520)
Fair Value, Total	10,650,113	12,817,951
Unrealized Losses, Total	(1,590,709)	(1,431,861)
MBSs - commercial
Marketable Securities [Line Items]
Fair Value, Less Than 12 Months		7,383,822
Unrealized Losses, Less Than 12 Months		(282,984)
Fair Value, 12 Months or More	17,629,230	10,774,725
Unrealized Losses, 12 Months or More	(3,028,725)	(2,577,829)
Fair Value, Total	17,629,230	18,158,547
Unrealized Losses, Total	$ (3,028,725)	$ (2,860,813)