Condensed Consolidated Statements of Changes in Stockholders’ Equity - USD ($)	Total	Common Stock	Additional Paid-in-Capital	Retained Earnings	Accumulated Other Comprehensive Loss	Equity Attributable to Stockholders of the Company	Non-Controlling Interest
Beginning stock outstanding balance (in shares) at Dec. 31, 2018		27,612,597
Beginning balance at Dec. 31, 2018	$ 20,612,945	$ 27,613	$ 11,348,163	$ 10,617,253	$ (1,190,055)	$ 20,802,974	$ (190,029)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	4,867,313			4,864,604		4,864,604	2,709
Foreign currency translation	212,564				213,763	213,763	(1,199)
Ending stock outstanding balance (in shares) at Jun. 30, 2019		27,612,597
Ending balance at Jun. 30, 2019	25,692,822	$ 27,613	11,348,163	15,481,857	(976,292)	25,881,341	(188,519)
Beginning stock outstanding balance (in shares) at Mar. 31, 2019		27,612,597
Beginning balance at Mar. 31, 2019	22,552,206	$ 27,613	11,348,163	12,475,840	(1,115,605)	22,736,011	(183,805)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	3,007,310			3,006,017		3,006,017	1,293
Foreign currency translation	133,306				139,313	139,313	(6,007)
Ending stock outstanding balance (in shares) at Jun. 30, 2019		27,612,597
Ending balance at Jun. 30, 2019	25,692,822	$ 27,613	11,348,163	15,481,857	(976,292)	25,881,341	(188,519)
Beginning stock outstanding balance (in shares) at Dec. 31, 2019		27,612,597
Beginning balance at Dec. 31, 2019	34,893,210	$ 27,613	11,348,163	24,594,878	(908,764)	35,061,890	(168,680)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	5,585,044			5,585,044		5,585,044
Foreign currency translation	(316,333)				(311,800)	(311,800)	(4,533)
Purchase of minority interest	(762,479)		(935,692)			(935,692)	173,213
Ending stock outstanding balance (in shares) at Jun. 30, 2020		27,612,597
Ending balance at Jun. 30, 2020	39,399,442	$ 27,613	10,412,471	30,179,922	(1,220,564)	39,399,442	0
Beginning stock outstanding balance (in shares) at Mar. 31, 2020		27,612,597
Beginning balance at Mar. 31, 2020	34,982,030	$ 27,613	10,412,471	26,206,232	(1,664,286)	34,982,030	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	3,973,690			3,973,690		3,973,690
Foreign currency translation	443,722				443,722	443,722	0
Ending stock outstanding balance (in shares) at Jun. 30, 2020		27,612,597
Ending balance at Jun. 30, 2020	$ 39,399,442	$ 27,613	$ 10,412,471	$ 30,179,922	$ (1,220,564)	$ 39,399,442	$ 0