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Condensed Consolidated Statements of Shareholders’ Equity - USD ($)
Common Stock [Member]
Common Class A [Member]
Common Stock [Member]
Common Class B [Member]
Additional Paid-in Capital [Member]
AOCI Attributable to Parent [Member]
Retained Earnings [Member]
Common Class A [Member]
Common Class B [Member]
Total
Balance at Dec. 31, 2023 $ 5,000 $ 1,000 $ 11,474,000 $ (61,000) $ 5,424,000     $ 16,843,000
Balance (in Shares) at Dec. 31, 2023 5,258,568 762,612            
Consolidated net income (loss)         552,000     552,000
Other comprehensive income (loss)       8,000       8,000
Stock based compensation expense     4,000         4,000
Cash dividends         (301,000)     (301,000)
Balance at Mar. 31, 2024 $ 5,000 $ 1,000 11,478,000 (53,000) 5,675,000     17,106,000
Balance (in Shares) at Mar. 31, 2024 5,258,568 762,612            
Balance at Dec. 31, 2024 $ 5,000 $ 1,000 11,484,000 (49,000) 5,122,000     16,563,000
Balance (in Shares) at Dec. 31, 2024 5,258,568 762,612       5,258,568 762,612  
Consolidated net income (loss)         (286,000)     (286,000)
Other comprehensive income (loss)       (14,000)       (14,000)
Stock based compensation expense     1,000         1,000
Cash dividends         (301,000)     (301,000)
Balance at Mar. 31, 2025 $ 5,000 $ 1,000 $ 11,485,000 $ (63,000) $ 4,535,000     $ 15,963,000
Balance (in Shares) at Mar. 31, 2025 5,258,568 762,612       5,258,568 762,612