Earnings Per Share - Computation of Basic and Diluted Earnings Per Share (Details) - USD ($)	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Earnings Per Share [Abstract]
Net income	$ 283,207	$ 411,247
Earnings and dividends allocated to participating securities	(5,533)	(3,566)
Net income attributable to common stockholders	$ 277,674	$ 407,681
Weighted average common shares outstanding:
Average number of common shares outstanding - basic	10,660,921	9,292,488
Net effect of dilutive unvested restricted stock awards included for treasury stock method	61,142	16,799
Average number of common shares outstanding - diluted	10,722,063	9,309,287
Earnings per common share
Basic	$ 0.03	$ 0.04
Diluted	$ 0.03	$ 0.04