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
Beginning balance, value at Dec. 31, 2019	$ 12,216	$ 16,437,473	$ 2,456,148	$ (994,610)	$ 17,911,227	$ 2,550,149	$ 20,461,376
Ending balance, shares at Dec. 31, 2019	12,215,545
Translation adjustment				122,489	122,489		122,489
Net income			2,977,050		2,977,050	606,484	3,583,534
Common stock issued	$ 45	39,705			39,750		39,750
Common stock issued, shares	45,000
Distributions to noncontrolling interests						(594,882)	(594,882)
Stock-based compensation		156,012			156,012		156,012
Ending balance, value at Dec. 31, 2020	$ 12,261	16,633,190	5,433,198	(872,121)	21,206,528	2,561,751	23,768,279
Ending balance, shares at Dec. 31, 2020	12,260,545
Translation adjustment				96,391	96,391		96,391
Net income			3,449,162		3,449,162	845,095	4,294,257
Common stock issued	$ 94	140,346			140,440		140,440
Common stock issued, shares	94,701
Distributions to noncontrolling interests						(804,003)	(804,003)
Stock-based compensation		210,112			210,112		210,112
Ending balance, value at Dec. 31, 2021	$ 12,355	$ 16,983,648	$ 8,882,360	$ (775,730)	$ 25,102,633	$ 2,602,843	$ 27,705,476
Ending balance, shares at Dec. 31, 2021	12,355,246