Schedule of Earnings Per Share, Basic and Diluted (Details) - Schedule of Earnings Per Share, Basic and Diluted - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Schedule of Earnings Per Share, Basic and Diluted (Details) - Schedule of Earnings Per Share, Basic and Diluted [Line Items]
Net Income (Loss) Attributable to Parent	$ 1,845,000	$ 3,208,000
Dividends, Cash	1,202,000	1,703,000
Undistributed Earnings, Basic	644,000	1,499,000
Undistributed Earnings, Diluted	644,000	1,499,000
Net Income (Loss) Available to Common Stockholders, Basic	$ 1,845,000	$ 3,208,000
Weighted Average Number of Shares Outstanding, Basic (in Shares)	6,005,277	5,996,180
Weighted Average Number of Shares Outstanding, Diluted (in Shares)	6,030,277	6,035,180
Net Income (Loss) Available to Common Stockholders, Diluted	$ 1,845,000	$ 3,208,000
Common Class A [Member]
Schedule of Earnings Per Share, Basic and Diluted (Details) - Schedule of Earnings Per Share, Basic and Diluted [Line Items]
Dividends, Cash	1,049,000	1,492,000
Undistributed Earnings, Basic	562,000	1,308,000
Undistributed Earnings, Diluted	562,000	1,308,000
Net Income (Loss) Available to Common Stockholders, Basic	$ 1,611,000	$ 2,800,000
Weighted Average Number of Shares Outstanding, Basic (in Shares)	5,242,665	5,233,568
Weighted Average Number of Shares Outstanding, Diluted (in Shares)	5,267,665	5,272,568
Earnings Per Share, Basic (in Dollars per share)	$ 0.31	$ 0.54
Earnings Per Share, Diluted (in Dollars per share)	$ 0.31	$ 0.53
Net Income (Loss) Available to Common Stockholders, Diluted	$ 1,611,000	$ 2,800,000
Common Class B [Member]
Schedule of Earnings Per Share, Basic and Diluted (Details) - Schedule of Earnings Per Share, Basic and Diluted [Line Items]
Dividends, Cash	152,000	217,000
Undistributed Earnings, Basic	82,000	191,000
Undistributed Earnings, Diluted	82,000	191,000
Net Income (Loss) Available to Common Stockholders, Basic	$ 234,000	$ 408,000
Weighted Average Number of Shares Outstanding, Basic (in Shares)	762,612	762,612
Weighted Average Number of Shares Outstanding, Diluted (in Shares)	762,612	762,612
Earnings Per Share, Basic (in Dollars per share)	$ 0.31	$ 0.54
Earnings Per Share, Diluted (in Dollars per share)	$ 0.31	$ 0.54
Net Income (Loss) Available to Common Stockholders, Diluted	$ 234,000	$ 408,000