Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($)	Common Stock [Member] Common Class A [Member]	Common Stock [Member] Common Class B [Member]	Treasury Stock, Common [Member] Common Class A [Member]	Treasury Stock, Common [Member] Common Class B [Member]	Treasury Stock, Common [Member]	Common Stock Outstanding [Member] Common Class A [Member]	Common Stock Outstanding [Member] Common Class B [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Total
Balance at Dec. 31, 2022	$ 7,351,563	$ 1,465,522			$ (2,125,252)			$ 1,741,901	$ 34,581,171	$ 43,014,905
Stock awards to directors and officers	492,665	0			0			0	0	492,665
Share repurchase	0	0			(71,185)			0	0	(71,185)
Net Income	$ 0	$ 0			0			0	3,391,473	3,391,473
Balance (in shares) at Dec. 31, 2022	2,791,449	914,283	47,412	182,435		2,744,037	731,848
Stock awards to directors and officers (in shares)	34,700	0	0	0		34,700	0
Share repurchase (in shares)	0	0	4,862	0		(4,862)	0
Balance at Mar. 31, 2023	$ 7,844,228	$ 1,465,522			(2,196,437)			1,741,901	37,972,643	46,827,857
Balance (in shares) at Mar. 31, 2023	2,826,149	914,283	52,274	182,435		2,773,875	731,848
Balance at Dec. 31, 2023	$ 8,878,986	$ 1,465,522			(2,237,026)			1,741,901	47,875,964	57,725,347
Stock awards to directors and officers	612,354	0			0			0	0	612,354
Share repurchase	0	0			(252,269)			0	0	(252,269)
Net Income	$ 0	$ 0			0			0	2,996,885	2,996,885
Balance (in shares) at Dec. 31, 2023	2,832,966	914,283	54,074	182,435		2,778,892	731,848
Stock awards to directors and officers (in shares)	36,400					36,400	0
Share repurchase (in shares)			6,973			(6,973)	0
Balance at Mar. 31, 2024	$ 9,491,340	$ 1,465,522			$ (2,489,295)			$ 1,741,901	$ 50,872,849	$ 61,082,317
Balance (in shares) at Mar. 31, 2024	2,869,366	914,283	61,047	182,435		2,808,319	731,848