Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($)	Common Stock Including Additional Paid in Capital [Member] Common Class A [Member]	Common Stock Including Additional Paid in Capital [Member] Common Class B [Member]	Treasury Stock [Member] Common Class A [Member]	Treasury Stock [Member] Common Class B [Member]	Treasury Stock [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, 2020	$ 3,896,705	$ 1,465,522			$ (1,938,052)			$ 1,741,901	$ 22,366,470	$ 27,532,546
Share-based compensation expense	$ 37,419									37,419
Net Income									5,588,599	5,588,599
Balance (in shares) at Dec. 31, 2020	2,595,087	954,283	39,467	182,435		2,555,620	771,848
Stock awards	$ 385,544									385,544
Issuance for acquisition	$ 1,059,000									1,059,000
Repurchase of shares					(41,033)					(41,033)
Stock awards (in shares)	23,700					23,700
Acquisition (in shares)	60,000					60,000
Repurchase of shares (in shares)			(2,262)
Repurchase of shares (in shares)						(2,262)
Balance at Sep. 30, 2021	$ 5,378,667	$ 1,465,522			(1,979,085)			1,741,901	27,955,070	34,562,075
Stock conversion (in shares)	40,000					40,000
Stock conversion (in shares)		(40,000)					(40,000)
Repurchase of shares (in shares)			2,262
Balance (in shares) at Sep. 30, 2021	2,718,787	914,283	41,729	182,435		2,677,058	731,848
Balance at Jun. 30, 2021	$ 5,365,581	$ 1,465,522			(1,979,085)			1,741,901	26,757,193	33,351,112
Share-based compensation expense	$ 7,418									7,418
Net Income									1,197,877	1,197,877
Balance (in shares) at Jun. 30, 2021	2,718,787	914,283	41,729	182,435		2,677,058	731,848
Stock awards	$ 5,668									5,668
Balance at Sep. 30, 2021	$ 5,378,667	$ 1,465,522			(1,979,085)			1,741,901	27,955,070	34,562,075
Balance (in shares) at Sep. 30, 2021	2,718,787	914,283	41,729	182,435		2,677,058	731,848
Balance at Dec. 31, 2021	$ 5,393,823	$ 1,465,522			(1,981,113)			1,741,901	28,019,768	34,639,901
Share-based compensation expense	$ 55,921									55,921
Net Income									3,491,684	3,491,684
Balance (in shares) at Dec. 31, 2021	2,720,787	914,283	41,844	182,435		2,678,943	731,848
Stock awards	$ 882,000									882,000
Issuance for acquisition	$ 1,000,012									1,000,012
Repurchase of shares					(140,709)					(140,709)
Stock awards (in shares)	32,200	0	0	0		32,200	0
Acquisition (in shares)	38,462	0	0	0		38,462	0
Repurchase of shares (in shares)	0	0	(5,366)	0			0
Repurchase of shares (in shares)						(5,366)
Balance at Sep. 30, 2022	$ 7,331,756	$ 1,465,522			(2,121,822)			1,741,901	31,511,452	39,928,809
Repurchase of shares (in shares)	0	0	5,366	0			0
Balance (in shares) at Sep. 30, 2022	2,791,449	914,283	47,210	182,435		2,744,239	731,848
Balance at Jun. 30, 2022	$ 7,311,949	$ 1,465,522			(2,121,822)			1,741,901	30,256,907	38,654,457
Share-based compensation expense	$ 19,807									19,807
Net Income									1,254,545	1,254,545
Balance (in shares) at Jun. 30, 2022	2,791,449	914,283	47,210	182,435		2,744,239	731,848
Balance at Sep. 30, 2022	$ 7,331,756	$ 1,465,522			$ (2,121,822)			$ 1,741,901	$ 31,511,452	$ 39,928,809
Balance (in shares) at Sep. 30, 2022	2,791,449	914,283	47,210	182,435		2,744,239	731,848