Earnings Per Share - Computation of Basic and Diluted Earnings Per Share (Details) - USD ($)	3 Months Ended				6 Months Ended
	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2020	Jun. 30, 2019
Earnings Per Share [Abstract]
Net income (loss)	$ (22,144)	$ (356,424)	$ 136,845	$ 187,823	$ (378,568)	$ 324,668
Weighted average common shares outstanding:
Average number of common shares outstanding - basic	9,269,567		7,640,991		9,266,189	7,635,885
Net effect of dilutive unvested restricted stock awards included for treasury stock method			9,305			7,095
Average number of common shares outstanding - diluted	9,269,567		7,650,296		9,266,189	7,642,980
Earnings per common share
Basic	$ 0.00		$ 0.02		$ (0.04)	$ 0.04
Diluted	$ 0.00		$ 0.02		$ (0.04)	$ 0.04