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	30,000									30,000
Stock awards	379,876									379,876
Acquisition	1,059,000									1,059,000
Repurchase of shares	$ 0	$ 0			(41,033)			0	0	(41,033)
Net Income									4,390,722	4,390,722
Balance (in shares) at Dec. 31, 2020	2,595,087	954,283	39,467	182,435		2,555,620	771,848
Acquisition (in shares)	60,000	0		0		60,000	0
Repurchase of shares (in shares)	0	0	(2,262)	0			0
Repurchase of shares (in shares)						(2,262)
Share conversion (in shares)	40,000		0	0		40,000
Share conversion (in shares)		(40,000)					(40,000)
Stock awards (in shares)	23,700	0	0	0		23,700	0
Balance at Jun. 30, 2021	$ 5,365,581	$ 1,465,522			(1,979,085)			1,741,901	26,757,193	33,351,112
Repurchase of shares (in shares)	0	0	2,262	0			0
Balance (in shares) at Jun. 30, 2021	2,718,787	914,283	41,729	182,435		2,677,058	731,848
Balance at Mar. 31, 2021	$ 5,285,333	$ 1,465,522			(1,979,085)			1,741,901	25,509,887	32,023,559
Share-based compensation expense	14,333									14,333
Stock awards	$ 65,915									65,915
Net Income									1,247,305	1,247,305
Balance (in shares) at Mar. 31, 2021	2,678,787	954,283	41,729	182,435		2,637,058	771,848
Share conversion (in shares)	40,000		0	0		40,000
Share conversion (in shares)		(40,000)					(40,000)
Balance at Jun. 30, 2021	$ 5,365,581	$ 1,465,522			(1,979,085)			1,741,901	26,757,193	33,351,112
Balance (in shares) at Jun. 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	36,114									36,114
Stock awards	882,000									882,000
Acquisition	1,000,012	0			0			0	0	1,000,012
Repurchase of shares	$ 0	$ 0			(140,709)			0	0	(140,709)
Net Income									2,237,139	2,237,139
Balance (in shares) at Dec. 31, 2021	2,720,787	914,283	41,844	182,435		2,678,943	731,848
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)
Stock awards (in shares)	32,200	0	0	0		32,200	0
Balance at Jun. 30, 2022	$ 7,311,949	$ 1,465,522			(2,121,822)			1,741,901	30,256,907	38,654,457
Repurchase of shares (in shares)	0	0	5,366	0			0
Balance (in shares) at Jun. 30, 2022	2,791,449	914,283	47,210	182,435		2,744,239	731,848
Balance at Mar. 31, 2022	$ 6,292,130	$ 1,465,522			(2,046,822)			1,741,901	29,085,643	36,538,374
Share-based compensation expense	19,807									19,807
Stock awards	0									0
Acquisition	1,000,012	0			0			0	0	1,000,012
Repurchase of shares	$ 0	$ 0			(75,000)			0	0	(75,000)
Net Income									1,171,264	1,171,264
Balance (in shares) at Mar. 31, 2022	2,752,987	914,283	44,210	182,435		2,708,777	731,848
Acquisition (in shares)	38,462	0	0	0		38,462	0
Repurchase of shares (in shares)	0	0	(3,000)	0			0
Repurchase of shares (in shares)						(3,000)
Balance at Jun. 30, 2022	$ 7,311,949	$ 1,465,522			$ (2,121,822)			$ 1,741,901	$ 30,256,907	$ 38,654,457
Repurchase of shares (in shares)	0	0	3,000	0			0
Balance (in shares) at Jun. 30, 2022	2,791,449	914,283	47,210	182,435		2,744,239	731,848