Earnings Per Share - Computation of Basic and Diluted Earnings Per Share (Details) - USD ($)	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Earnings Per Share [Abstract]
Net income	$ 187,823	$ 59,126
Weighted average common shares outstanding:
Average number of common shares outstanding - basic	7,630,722	7,619,469
Net effect of dilutive unvested restricted stock awards included for treasury stock method	7,011	20
Average number of common shares outstanding - diluted	7,637,733	7,619,489
Earnings per common share
Basic	$ 0.02	$ 0.01
Diluted	$ 0.02	$ 0.01