Condensed Interim Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($)	Common Stock [Member]	Capital in Excess of Par Value [Member]	Accumulated Earnings (Deficiency) [Member]	Other Comprehensive Income (Loss) [Member]	Total	Non-Controlling Interests [Member]	Total Stockholders' Equity [Member]
Beginning balance at Dec. 31, 2019	$ 12,216	$ 16,437,473	$ 2,456,148	$ (994,610)	$ 17,911,227	$ 2,550,149	$ 20,461,376
Beginning balance, Shares at Dec. 31, 2019	12,215,545
Translation adjustment				(98,928)	(98,928)		(98,928)
Net income			1,264,675		1,264,675	67,015	1,331,690
Common stock issued	$ 25	24,725			24,750		24,750
Common stock issued, Shares	25,000
Distributions to noncontrolling interests						(143,002)	(143,002)
Stock-based compensation		29,582			29,582		29,582
Ending balance at Mar. 31, 2020	$ 12,241	16,491,780	3,720,823	(1,093,538)	19,130,306	2,474,162	21,605,468
Ending balance, Shares at Mar. 31, 2020	12,240,545
Beginning balance at Dec. 31, 2019	$ 12,216	16,437,473	2,456,148	(994,610)	17,911,227	2,550,149	20,461,376
Beginning balance, Shares at Dec. 31, 2019	12,215,545
Ending balance 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				82,352	82,352		82,352
Net income			1,450,571		1,450,571	186,484	1,637,055
Common stock issued	$ 55	76,305			76,360		76,360
Common stock issued, Shares	55,201
Distributions to noncontrolling interests						(157,952)	(157,952)
Stock-based compensation		39,589			39,589		39,589
Ending balance at Mar. 31, 2021	$ 12,316	$ 16,749,084	$ 6,883,769	$ (789,769)	$ 22,855,400	$ 2,590,238	$ 25,445,683
Ending balance, Shares at Mar. 31, 2021	12,315,746