The amortized cost and fair value of investment securities available for sale are summarized as follows. (Details) - USD ($)	Dec. 31, 2021	Dec. 31, 2020
Marketable Securities [Line Items]
Amortized Cost	$ 215,047,451	$ 132,706,063
Gross Unrealized Gains	679,883	2,274,015
Gross Unrealized Losses	(3,379,845)	(160,260)
Estimated Fair Value	212,347,489	134,819,818
US Treasury Securities [Member]
Marketable Securities [Line Items]
Amortized Cost	101,269,851	20,036,549
Gross Unrealized Gains	68,848	374,001
Gross Unrealized Losses	(1,276,399)
Estimated Fair Value	100,062,300	20,410,550
US Government-sponsored Enterprises Debt Securities [Member]
Marketable Securities [Line Items]
Amortized Cost	76,355,720	96,614,182
Gross Unrealized Gains	275,123	1,398,884
Gross Unrealized Losses	(1,909,834)	(160,260)
Estimated Fair Value	74,721,009	97,852,806
US States and Political Subdivisions Debt Securities [Member]
Marketable Securities [Line Items]
Amortized Cost	37,421,880	16,055,332
Gross Unrealized Gains	335,912	501,130
Gross Unrealized Losses	(193,612)
Estimated Fair Value	$ 37,564,180	$ 16,556,462

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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