Cash and Cash Equivalents

12 Months Ended

Dec. 31, 2019

Cash And Cash Equivalents [Abstract]

Cash and Cash Equivalents

3. Cash and cash equivalents

	As of December 31,
	2018		2019
	$		$
Cash at bank and in hand		36,778		75,111
Cash equivalents		26,174		821
		62,952		75,932
Denominated in:
US$		58,254		62,478
RMB (note (i))		3,916		6,761
Hong Kong dollar (”HK$"）		20		5,948
Australia dollar ("A$")		762		745
		62,952		75,932

Note:

(i) Certain cash and bank balances denominated in RMB were deposited with banks in the PRC. The conversion of these RMB denominated balances into foreign currencies is subject to the rules and regulations of foreign exchange control promulgated by the PRC government.