Consolidated Statements of Changes in Shareholders' Equity (Unaudited) - USD ($)	Total	Common Stock	Preferred Stock	Additional Paid-In Capital	Retained Earnings	AOCI	Treasury Stock
Balance, amount at Dec. 31, 2018	$ 62,603,711	$ 13,455,258	$ 2,000,000	$ 32,536,532	$ 17,882,282	$ (647,584)	$ (2,622,777)
Issuance of common stock	313,026	49,415		263,611
Cash dividends declared Common stock	(983,122)				(983,122)
Cash dividends declared Preferred stock	(27,500)				(27,500)
Redemption of preferred stock	(500,000)		(500,000)
Net income	1,771,905				1,771,905
Other comprehensive income	451,690					451,690
Balance, amount at Mar. 31, 2019	63,629,710	13,504,673	1,500,000	32,800,143	18,643,565	(195,894)	(2,622,777)
Balance, amount at Dec. 31, 2018	62,603,711	13,455,258	2,000,000	32,536,532	17,882,282	(647,584)	(2,622,777)
Net income	6,453,146
Other comprehensive income	962,715
Balance, amount at Sep. 30, 2019	67,321,288	13,582,023	1,500,000	33,239,064	21,307,847	315,131	(2,622,777)
Balance, amount at Mar. 31, 2019	63,629,710	13,504,673	1,500,000	32,800,143	18,643,565	(195,894)	(2,622,777)
Issuance of common stock	276,489	41,825		234,664
Cash dividends declared Common stock	(986,368)				(986,368)
Cash dividends declared Preferred stock	(20,625)				(20,625)
Net income	2,419,298				2,419,298
Other comprehensive income	353,470					353,470
Balance, amount at Jun. 30, 2019	65,671,974	13,546,498	1,500,000	33,034,807	20,055,870	157,576	(2,622,777)
Issuance of common stock	239,782	35,525		204,257
Cash dividends declared Common stock	(989,341)				(989,341)
Cash dividends declared Preferred stock	(20,625)				(20,625)
Net income	2,261,943				2,261,943
Other comprehensive income	157,555					157,555
Balance, amount at Sep. 30, 2019	67,321,288	13,582,023	1,500,000	33,239,064	21,307,847	315,131	(2,622,777)
Balance, amount at Dec. 31, 2019	68,894,679	13,624,643	1,500,000	33,464,381	22,667,949	260,483	(2,622,777)
Issuance of common stock	254,277	40,465		213,812
Cash dividends declared Common stock	(995,536)				(995,536)
Cash dividends declared Preferred stock	(17,813)				(17,813)
Net income	1,861,239				1,861,239
Other comprehensive income	586,646					586,646
Balance, amount at Mar. 31, 2020	70,583,492	13,665,108	1,500,000	33,678,193	23,515,839	847,129	(2,622,777)
Balance, amount at Dec. 31, 2019	68,894,679	13,624,643	1,500,000	33,464,381	22,667,949	260,483	(2,622,777)
Net income	7,583,992
Other comprehensive income	711,315
Balance, amount at Sep. 30, 2020	74,930,305	13,775,780	1,500,000	34,093,154	27,212,350	971,798	(2,622,777)
Balance, amount at Mar. 31, 2020	70,583,492	13,665,108	1,500,000	33,678,193	23,515,839	847,129	(2,622,777)
Issuance of common stock	261,887	47,752		214,135
Cash dividends declared Common stock	(998,899)				(998,899)
Cash dividends declared Preferred stock	(12,187)				(12,187)
Net income	2,842,311				2,842,311
Other comprehensive income	163,962					163,962
Balance, amount at Jun. 30, 2020	72,840,566	13,712,860	1,500,000	33,892,328	25,347,064	1,011,091	(2,622,777)
Issuance of common stock	263,746	62,920		200,826
Cash dividends declared Common stock	(1,002,969)				(1,002,969)
Cash dividends declared Preferred stock	(12,188)				(12,188)
Net income	2,880,443				2,880,443
Other comprehensive income	(39,293)					(39,293)
Balance, amount at Sep. 30, 2020	$ 74,930,305	$ 13,775,780	$ 1,500,000	$ 34,093,154	$ 27,212,350	$ 971,798	$ (2,622,777)