EARNINGS PER SHARE (Details) - USD ($)	12 Months Ended
	Apr. 30, 2018	Apr. 30, 2017
EARNINGS PER SHARE
Net loss	$ (2,015,000)	$ (261,000)
Net loss attributable to common shareholders	$ (2,015,000)	$ (261,000)
Basic weighted average common shares	5,265,750	5,123,000
Earnings (loss) per share attributable to common shareholders:
Basic loss per share	$ (0.38)	$ (0.05)