4. Prepaid Expenses and Other Assets, Net (Tables)

3 Months Ended

Mar. 31, 2019

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

Schedule of prepaid expenses

	March 31, 2019			December 31, 2018
	(Unaudited)
	$			$
Receivable from a third party (1)		550,332			551,464
Other receivables from third party		15,830			15,565
Prepaid rent expense		–			3,895
Others		7,717			2,214
		573,879			573,138
Allowance for doubtful accounts		(82,550	)		(82,720	)
Prepaid expenses and other assets, net		491,329			490,418