Earnings Per Share - Computation of Basic and Diluted Earnings Per Share (Details) - USD ($)	3 Months Ended				6 Months Ended
	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2022	Jun. 30, 2021
Earnings Per Share [Abstract]
Net income	$ 404,200	$ 283,207	$ 861,299	$ 411,247	$ 687,407	$ 1,272,546
Earnings and dividends allocated to participating securities	(6,174)		(6,895)		(11,711)	(10,480)
Net income attributable to common stockholders	$ 398,026		$ 854,404		$ 675,696	$ 1,262,066
Weighted average common shares outstanding:
Average number of common shares outstanding - basic	10,767,619		9,363,981		10,714,565	9,328,432
Net effect of dilutive unvested restricted stock awards included for treasury stock method	57,141		38,498		59,078	42,503
Average number of common shares outstanding - diluted	10,824,760		9,402,479		10,773,643	9,370,935
Earnings per common share
Basic	$ 0.04		$ 0.09		$ 0.06	$ 0.14
Diluted	$ 0.04		$ 0.09		$ 0.06	$ 0.13