Condensed Consolidated Statements of Operations and Comprehensive Loss (Unaudited) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Income Statement [Abstract]
Revenue	$ 2,376,844	$ 2,298,472	$ 7,875,525	$ 9,087,867
Cost of revenue	2,004,085	1,785,927	6,682,688	6,942,141
Gross profit	372,759	512,545	1,192,837	2,145,726
Operating expenses:
Selling expenses	613,110	925,654	1,597,667	2,320,204
General and administrative expenses	333,833	327,161	1,097,200	1,172,314
Research and development expenses	39,716	62,059	175,642	107,946
Bad debt expense	31,304	1,129,105	54,708	1,481,786
Total operating expenses	1,017,963	2,443,979	2,925,217	5,082,250
Loss from operations	(645,204)	(1,931,434)	(1,732,380)	(2,936,524)
Other income (expense):
Interest income	11,840	16,113	27,216	27,931
Interest expense	(67,590)	(101,683)	(251,624)	(361,365)
Net other expense	(55,750)	(85,570)	(224,408)	(333,434)
Loss before income taxes	(700,954)	(2,017,004)	(1,956,788)	(3,269,958)
Income tax expense		160,485		111,910
Net loss	(700,954)	(1,856,519)	(1,956,788)	(3,158,048)
Other comprehensive income - foreign currency translation adjustment	(909,889)	(1,535,424)	(885,188)	(2,280,131)
Comprehensive loss	$ (1,610,843)	$ (3,391,943)	$ (2,841,976)	$ (5,438,179)
Loss per share:
Basic and diluted	$ (0.02)	$ (0.04)	$ (0.04)	$ (0.07)
Weighted average shares outstanding	43,579,557	43,579,557	43,579,557	43,579,557