8. WARRANTS (Details Narrative)	3 Months Ended
	Jul. 31, 2017 $ / shares shares
Warrants and Rights Note Disclosure [Abstract]
Warrants issued	0
Warrants exercised	0
Warrants outstanding	39,040
Warrant exercise price | $ / shares	$ 17.29
Warrants exercisable expiration date	Aug. 30, 2018