CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Cash flows from operating activities:
Net income	$ 6,744,865	$ 6,460,631	$ 7,318,433
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation expense	412,866	421,040	230,377
Gain on sale of investment securities	(266,944)	(10,002)	(50,707)
Provision for loan losses	120,000	240,000	180,000
Stock-based compensation expense	103,033	92,986	78,053
Deferred income taxes	(46,751)	(422,345)	432,844
Net amortization of unearned discounts on investment securities available for sale	592,357	362,159	247,624
Origination of mortgage loans held for sale	(163,176,146)	(181,781,058)	(67,783,219)
Proceeds from sale of mortgage loans held for sale	173,367,491	173,877,723	63,920,259
Decrease (increase) in accrued interest receivable and other assets	133,276	(38,312)	(221,400)
(Decrease) increase in accrued interest payable and other liabilities	(520,403)	1,089,165	91,204
Net cash provided by operating activities	17,463,644	291,987	4,443,468
Cash flows from investing activities:
Proceeds from calls and maturities of investment securities available for sale	36,967,000	23,491,000	9,356,835
Proceeds from sale of investment securities available for sale	15,572,500	11,550,000	30,412,250
Purchase of investment securities available for sale	(135,206,301)	(68,260,421)	(17,886,300)
Net decrease (increase) in loans	14,241,737	(46,788,177)	201,134
Purchase of premises, equipment, and leasehold improvements, net	(142,269)	(184,138)	(2,185,605)
Net cash (used in) provided by investing activities	(68,567,333)	(80,191,736)	19,898,314
Cash flows from financing activities:
Net increase (decrease) in deposit accounts	146,993,945	83,005,976	(3,186,733)
Dividends paid	(4,312,138)	(3,592,841)	(4,031,157)
Repurchase of common shares		(398,868)
Stock options exercised	207,889	117,044	138,286
Net cash provided by (used in) financing activities	142,889,696	79,131,311	(7,079,604)
Net increase (decrease) in cash and cash equivalents	91,786,007	(768,438)	17,262,178
Cash and cash equivalents at the beginning of the period	48,325,981	49,094,419	31,832,241
Cash and cash equivalents at the end of the period	140,111,988	48,325,981	49,094,419
Cash paid during the period for:
Interest	179,793	323,455	940,299
Income taxes	2,845,420	814,052	1,761,574
Supplemental disclosures for non-cash investing and financing activity:
Change in unrealized gain or loss on securities available for sale, net of income taxes	(3,802,836)	1,187,052	2,260,019
Change in dividends payable	3,536	53,680	58,163
Right of use assets obtained in exchange for lease obligation	1,825,793		13,519,027
Change in right of use assets and lease liabilities	$ 514,101	$ 479,066	$ 309,810