Earnings Per Share (Details) - USD ($)	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Earnings per common share - Basic
Net income	$ 626,881	$ 715,170
Weighted average number of common shares outstanding	9,444,834	9,363,368
Earnings per common share - Basic	$ 0.07	$ 0.08
Earnings per common share - Diluted
Net income	$ 626,881	$ 715,170
Weighted average number of common shares outstanding	9,444,834	9,363,368
Dilutive effect of outstanding stock options	7,265	10,962
Weighted average number of common shares outstanding - Diluted	9,452,099	9,374,330
Earnings per common share - Diluted	$ 0.07	$ 0.08