Consolidated Statements of Stockholders' Equity - USD ($)	Common Stock [Member]	Capital in Excess of Par Value [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Parent [Member]	Noncontrolling Interest [Member]	Total
Balance at Dec. 31, 2021	$ 12,355	$ 16,983,648	$ 8,882,360	$ (775,730)	$ 25,102,633	$ 2,602,843	$ 27,705,476
Balance, shares at Dec. 31, 2021	12,355,246
Translation adjustment				(30,069)	(30,069)		(30,069)
Net income			7,021,604		7,021,604	691,625	7,713,229
Common stock issued	$ 71	140,549			140,620		140,620
Common stock issued, shares	71,014
Distributions to noncontrolling interests						(689,434)	(689,434)
Stock-based compensation		399,148			399,148		399,148
Balance at Dec. 31, 2022	$ 12,426	17,523,345	15,903,964	(805,799)	32,633,936	2,605,034	35,238,970
Balance, shares at Dec. 31, 2022	12,426,260
Translation adjustment				10,653	10,653		10,653
Net income			2,775,864		2,775,864	980,121	3,755,985
Common stock issued	$ 10	13,590			13,600		13,600
Common stock issued, shares	9,272
Distributions to noncontrolling interests						(719,439)	(719,439)
Stock-based compensation		395,080			395,080		395,080
Dividends paid			(626,777)		(626,777)		(626,777)
Non-controlling interest of 317 Mendota LLC						200,000	200,000
Balance at Dec. 31, 2023	$ 12,436	$ 17,932,015	$ 18,053,051	$ (795,146)	$ 35,202,356	$ 3,065,716	$ 38,268,072
Balance, shares at Dec. 31, 2023	12,435,532