Prepayments and other receivables (Tables)

12 Months Ended

Dec. 31, 2018

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block]

	December 31,		December 31,
	2018		2017
	$		$
Value-added tax (“VAT”) prepayment		8,227,478		3,132,236
Other receivables from third parties		1,109,527		444,263
Payroll deposit		365,059		-
Compensation receivable for land occupation		-		486,019
Prepaid expense		755,725		692,028
		10,457,789		4,754,546
Less: allowance for doubtful accounts (1)		-		486,019
		10,457,789		4,268,527

(1) The Company collected the receivable and reversed the allowance for doubtful accounts of $476,680 for the year ended December 31, 2018.