INTERIM CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS (Unaudited) - USD ($)	3 Months Ended
	Jul. 31, 2020	Jul. 31, 2019
Statement of Income and Comprehensive Income [Abstract]
Net income (loss) for the period	$ 24,614	$ (929,723)
Other comprehensive loss:
Foreign currency translation adjustments	511,513	302,543
Comprehensive income (loss)	$ 536,127	$ (627,180)