Earnings Per Share (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Earnings per common share - Basic
Net income	$ 1,009,568	$ 1,121,351	$ 1,724,738	$ 1,644,731
Weighted average number of common shares outstanding	9,367,350	9,256,206	9,365,370	9,255,398
Earnings per common share - Basic	$ 0.11	$ 0.12	$ 0.18	$ 0.18
Earnings per common share - Diluted
Net income	$ 1,009,568	$ 1,121,351	$ 1,724,738	$ 1,644,731
Weighted average number of common shares outstanding	9,367,350	9,256,206	9,365,370	9,255,398
Dilutive effect of outstanding stock options	7,157	40,483	9,069	41,638
Weighted average number of common shares outstanding - Diluted	9,374,507	9,296,689	9,374,439	9,297,036
Earnings per common share - Diluted	$ 0.11	$ 0.12	$ 0.18	$ 0.18