Earnings Per Common Share (Details) - USD ($)	3 Months Ended								12 Months Ended
	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2021	Dec. 31, 2020
Basic and diluted earnings per share:
Net income	$ 555,000	$ 888,000	$ 479,000	$ 594,000	$ 547,000	$ 949,000	$ (96,000)	$ 268,000	$ 2,516,387	$ 1,667,741
Weighted average common shares outstanding (in shares)									2,848,465	2,835,037
Basic net income per share (in dollars per share)	$ 0.19	$ 0.31	$ 0.17	$ 0.21	$ 0.20	$ 0.33	$ (0.03)	$ 0.09	$ 0.88	$ 0.59
Options outstanding	0				0				0	0