INTERIM CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS (Unaudited) - USD ($)	3 Months Ended
	Jul. 31, 2019	Jul. 31, 2018
Net loss for the period	$ (929,723)	$ (1,010,947)
Other comprehensive loss:
Foreign currency translation adjustments	302,543	(202,966)
Comprehensive loss	$ (627,180)	$ (1,213,913)