CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Class A Common Stock Common Stock.	Class A Common Stock	Class B Common Stock Common Stock.	Class B Common Stock	Additional Paid-in Capital	Retained Earnings	Treasury Stock	Total
Balance at Dec. 31, 2022	$ 78		$ 0		$ 71,664	$ 143,896	$ (37,109)	$ 178,529
Balance (in shares) at Dec. 31, 2022	7,867	7,867	0	0
Net Income (Loss)	$ 0		$ 0		0	920	0	920
Dividends declared per common share	0		0		0	(1,531)	0	(1,531)
Compensation expense related to restricted stock awards	0		0		245	0	0	245
401(k) plan contribution	0		0		(185)	0	441	256
Balance at Mar. 31, 2023	$ 78		$ 0		71,724	143,285	(36,668)	178,419
Balance (in shares) at Mar. 31, 2023	7,867		0
Balance at Dec. 31, 2022	$ 78		$ 0		71,664	143,896	(37,109)	178,529
Balance (in shares) at Dec. 31, 2022	7,867	7,867	0	0
Issuance of restricted stock (in shares)		140		0
Balance at Dec. 31, 2023	$ 80		$ 0		72,593	134,771	(36,895)	170,549	[1]
Balance (in shares) at Dec. 31, 2023	8,007	8,007	0	0
Net Income (Loss)	$ 0		$ 0		0	(1,577)	0	(1,577)
Dividends declared per common share	0		0		0	(5,321)	0	(5,321)
Compensation expense related to restricted stock awards	0		0		453	0	0	453
401(k) plan contribution	0		0		(207)	0	475	268
Balance at Mar. 31, 2024	$ 80		$ 0		$ 72,839	$ 127,873	$ (36,420)	$ 164,372
Balance (in shares) at Mar. 31, 2024	8,007	8,007	0	0

[1] The balance sheet at December 31, 2023 has been derived from the audited financial statements at that date but does not include all of the information and footnotes required by accounting principles generally accepted in the United States for complete financial statements.