Land use right, net (Tables)

12 Months Ended

Dec. 31, 2018

Finite-Lived Intangible Assets [Line Items]

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

Land use right is being amortized annually using the straight-line method over a contract term of 50 years. Estimated amortization for the coming years is as follows:

For the years ending December 31,	$
2019		62,712
2020		62,712
2021		62,712
2022		62,712
2023		62,712
Thereafter		2,132,191
		2,445,751

Land Use Right [Member]

Finite-Lived Intangible Assets [Line Items]

Schedule of Finite-Lived Intangible Assets [Table Text Block]

	December 31,		December 31,
	2018		2017
	$		$
Cost
Land located in Huizhou		3,135,578		3,299,539
Less: accumulated amortization		689,827		659,908
		2,445,751		2,639,631