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NET INCOME PER SHARE - Schedule of Earnings Per Share, Basic and Diluted (Details) - USD ($)
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
NET INCOME PER SHARE - Schedule of Earnings Per Share, Basic and Diluted (Details) [Line Items]    
Net Income (Loss) Attributable to Parent $ 902,000 $ 1,845,000
Dividends, Cash 1,204,000 1,202,000
Undistributed Earnings, Basic (302,000) 644,000
Undistributed Earnings, Diluted 173,000 644,000
Net Income (Loss) Available to Common Stockholders, Basic 1,377,000 1,845,000
Net Income (Loss) Available to Common Stockholders, Diluted $ 1,377,000 $ 1,845,000
Weighted Average Number of Shares Outstanding, Basic (in Shares) 6,021,180 6,005,277
Weighted Average Number of Shares Outstanding, Diluted (in Shares) 6,021,180 6,030,277
Common Class A [Member]    
NET INCOME PER SHARE - Schedule of Earnings Per Share, Basic and Diluted (Details) [Line Items]    
Dividends, Cash $ 1,052,000 $ 1,049,000
Undistributed Earnings, Basic 151,000 562,000
Undistributed Earnings, Diluted 151,000 562,000
Net Income (Loss) Available to Common Stockholders, Basic 1,203,000 1,611,000
Net Income (Loss) Available to Common Stockholders, Diluted $ 1,203,000 $ 1,611,000
Weighted Average Number of Shares Outstanding, Basic (in Shares) 5,258,568 5,242,665
Weighted Average Number of Shares Outstanding, Diluted (in Shares) 5,258,568 5,267,665
Earnings Per Share, Basic (in Dollars per share) $ 0.15 $ 0.31
Earnings Per Share, Diluted (in Dollars per share) $ 0.15 $ 0.31
Common Class B [Member]    
NET INCOME PER SHARE - Schedule of Earnings Per Share, Basic and Diluted (Details) [Line Items]    
Dividends, Cash $ 152,000 $ 152,000
Undistributed Earnings, Basic 22,000 82,000
Undistributed Earnings, Diluted 22,000 82,000
Net Income (Loss) Available to Common Stockholders, Basic 174,000 234,000
Net Income (Loss) Available to Common Stockholders, Diluted $ 174,000 $ 234,000
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) $ 0.15 $ 0.31
Earnings Per Share, Diluted (in Dollars per share) $ 0.15 $ 0.31