Summary of Significant Accounting Policies (Details 1) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Summary of Significant Accounting Policies
Basic Eps, Income	$ 2,304,000	$ 2,272,000	$ 6,621,000	$ 9,162,000
Effect Of Dilutive Securities Convertible Preferred Stock, Income	0	65,000	0	196
Diluted Eps, Income	$ 2,304,000	$ 2,337,000	$ 6,621,000	$ 9,358,000
Basic Eps, Shares	3,453,767	3,210,577	3,447,470	3,207,916
Effect Of Dilutive Securities Convertible Preferred Stock, Shares		205,327		228,118
Diluted Eps, Share	3,453,767	3,415,904	3,447,470	3,436,034
Basic Eps, Per Shares	$ 0.67	$ 0.71	$ 1.92	$ 2.86
Effect Of Dilutive Securities Convertible Preferred Stock, Per Shares	0	(0.05)	0	(0.14)
Diluted Eps, Per Shares	$ 0.67	$ 0.66	$ 1.92	$ 2.72