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
Share-based compensation expense	1,153,105	0			0			0	0	1,153,105
Share repurchase	0	0			(111,775)			0	0	(111,775)
Net Income	0	0			0			0	10,057,550	10,057,550
Balance at Sep. 30, 2023	$ 8,654,668	$ 1,465,522			(2,237,027)			1,741,901	44,638,722	54,263,786
Balance (in shares) at Dec. 31, 2022	2,791,449	914,283	47,412	182,435		2,744,037	731,848
Share repurchase (in shares)	0	0	6,662	0			0
Share repurchase (in shares)						(6,662)
Balance (in shares) at Sep. 30, 2023	2,832,966	914,283	54,074	182,435		2,778,892	731,848
Stock issuance (see note 6)	$ 150,000	$ 0			0			0	0	150,000
Stock awards issued to directors and officers (in shares)	34,700	0	0	0		34,700	0
Stock issuance (see note 6) (in shares)	7,317	0	0	0		7,317	0
Stock forfeit (in shares)	(500)	0	0	0		(500)	0
Balance at Jun. 30, 2023	$ 8,430,351	$ 1,465,522			(2,237,027)			1,741,901	41,823,986	51,224,732
Share-based compensation expense	224,317	0			0			0	0	224,317
Net Income	0	0			0			0	2,814,736	2,814,736
Balance at Sep. 30, 2023	$ 8,654,668	$ 1,465,522			(2,237,027)			1,741,901	44,638,722	54,263,786
Balance (in shares) at Jun. 30, 2023	2,832,966	914,283	54,074	182,435		2,778,892	731,848
Balance (in shares) at Sep. 30, 2023	2,832,966	914,283	54,074	182,435		2,778,892	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
Share-based compensation expense	1,076,804	0			0			0	0	1,076,804
Share repurchase	0	0			(305,247)			0	0	(305,247)
Net Income	0	0			0			0	9,649,552	9,649,552
Balance at Sep. 30, 2024	$ 9,985,801	$ 1,465,522			(2,542,273)			1,741,901	57,525,516	68,176,467
Balance (in shares) at Dec. 31, 2023	2,832,966	914,283	54,074	182,435		2,778,892	731,848
Share repurchase (in shares)	0	0	8,301	0			0
Share repurchase (in shares)						(8,301)
Balance (in shares) at Sep. 30, 2024	2,870,107	914,283	62,375	182,435		2,807,732	731,848
Stock issuance (see note 6)	$ 30,011	$ 0			0			0	0	30,011
Stock awards issued to directors and officers (in shares)	36,400	0	0	0		36,400	0
Stock issuance (see note 6) (in shares)	741	0	0	0		741	0
Balance at Jun. 30, 2024	$ 9,753,576	$ 1,465,522			(2,489,295)			1,741,901	54,156,306	64,628,010
Share-based compensation expense	232,225	0			0			0	0	232,225
Share repurchase	0	0			(52,979)			0	0	(52,979)
Net Income	0	0			0			0	3,369,211	3,369,211
Balance at Sep. 30, 2024	$ 9,985,801	$ 1,465,522			$ (2,542,273)			$ 1,741,901	$ 57,525,516	$ 68,176,467
Balance (in shares) at Jun. 30, 2024	2,870,107	914,283	61,047	182,435		2,809,060	731,848
Share repurchase (in shares)	0	0	1,328	0			0
Share repurchase (in shares)						(1,328)
Balance (in shares) at Sep. 30, 2024	2,870,107	914,283	62,375	182,435		2,807,732	731,848