Consolidated Statements of Changes in Shareholders' Equity (Unaudited) - USD ($)	Total	Common Stock	Additional Paid-In Capital	Treasury Stock	Accumulated Other Comprehensive Income	Retained Earnings
Balance at at Dec. 31, 2018	$ 80,518,433	$ 31,548	$ 12,235,341	$ (4,330,712)	$ (27,909)	$ 72,610,165
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	2,088,873					2,088,873
Other Comprehensive Income, Net Of Tax:	2,817,917				2,817,917
Stock Issued During Period, Value, Employee Stock Purchase Plan	12,009	5
APIC, Share-based Payment Arrangement, ESPP, Increase for Cost Recognition			12,004
Adjustments to Additional Paid in Capital, Share-based Compensation, Stock Options, Requisite Service Period Recognition			19,990
Cash Dividends on Common Stock	(265,982)					(265,982)
Proceeds from Stock Options Exercised	20,000
Balance at at Mar. 31, 2019	85,191,250	31,563	12,267,335	(4,330,712)	2,790,008	74,433,056
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock Redeemed or Called During Period, Value		10
Balance at at Dec. 31, 2018	80,518,433	31,548	12,235,341	(4,330,712)	(27,909)	72,610,165
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	3,972,904
Balance at at Jun. 30, 2019	89,136,630	31,569	12,282,115	(4,330,712)	5,102,605	76,051,053
Balance at at Mar. 31, 2019	85,191,250	31,563	12,267,335	(4,330,712)	2,790,008	74,433,056
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	1,884,031					1,884,031
Other Comprehensive Income, Net Of Tax:	2,312,597				2,312,597
Stock Issued During Period, Value, Employee Stock Purchase Plan	14,786	6
APIC, Share-based Payment Arrangement, ESPP, Increase for Cost Recognition			14,780
Cash Dividends on Common Stock	(266,034)					(266,034)
Balance at at Jun. 30, 2019	89,136,630	31,569	12,282,115	(4,330,712)	5,102,605	76,051,053
Balance at at Dec. 31, 2019	91,758,005	31,578	12,308,179	(4,330,712)	4,467,527	79,281,433
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	1,064,187					1,064,187
Other Comprehensive Income, Net Of Tax:	(2,159,363)				(2,159,363)
Stock Issued During Period, Value, Employee Stock Purchase Plan	12,968	4
APIC, Share-based Payment Arrangement, ESPP, Increase for Cost Recognition			12,964
Stock Issued During Period, Value, Stock Options Exercised		2,956
Adjustments to Additional Paid in Capital, Share-based Compensation, Stock Options, Requisite Service Period Recognition			5,909,044
Cash Dividends on Common Stock	(325,408)					(325,408)
Proceeds from Stock Options Exercised	5,912,000
Balance at at Mar. 31, 2020	96,262,389	34,538	18,230,187	(4,330,712)	2,308,164	80,020,212
Balance at at Dec. 31, 2019	91,758,005	31,578	12,308,179	(4,330,712)	4,467,527	79,281,433
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	3,080,518
Balance at at Jun. 30, 2020	107,072,528	34,538	18,230,187	(4,330,712)	11,427,261	81,711,254
Balance at at Mar. 31, 2020	96,262,389	34,538	18,230,187	(4,330,712)	2,308,164	80,020,212
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	2,016,331					2,016,331
Other Comprehensive Income, Net Of Tax:	9,119,097				9,119,097
Cash Dividends on Common Stock	(325,289)					(325,289)
Balance at at Jun. 30, 2020	$ 107,072,528	$ 34,538	$ 18,230,187	$ (4,330,712)	$ 11,427,261	$ 81,711,254