Accounts receivable, net

12 Months Ended

Dec. 31, 2018

Accounts Receivable, Net, Current [Abstract]

Accounts Receivable [Text Block]

5. Accounts receivable, net

	December 31,			December 31,
	2018			2017
	$			$
Accounts receivable		77,340,837			61,431,785
Allowance for doubtful accounts		(61,020	)		(3,178,786	)
		77,279,817			58,252,999

The Company recorded bad debt expense of $30,608 and $58,728 for the years ended December 31, 2018 and 2017, respectively. The Company reversed and wrote off bad debt provision of $338,359 and $2,792,806, respectively, for the year ended December 31, 2018. The Company reversed bad debt provision of $100,213 for the year ended December 31, 2017.