XML 51 R9.htm IDEA: XBRL DOCUMENT v3.19.3
Short-term investments
9 Months Ended
Sep. 30, 2019
Short-term investments  
Short-term investments

3     Short-term investments

Short-term investments are comprised of term deposits issued in US currency, earning interest at 2.47%, maturing between October 1, 2019 and October 25, 2019.