Lexaria Bioscience Corp. Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events (Narrative) (Details)	9 Months Ended
Subsequent Events (Narrative) (Details)	May 31, 2018 USD ($) shares
Subsequent Events 1 \| shares	747,500
Subsequent Events 2 \| shares	50,000
Subsequent Events 3 \| $	$ 0.60
Subsequent Events 4 \| shares	450,000
Subsequent Events 5 \| $	$ 0.14
Subsequent Events 6 \| shares	247,500
Subsequent Events 7 \| $	$ 0.091
Subsequent Events 8 \| $	$ 115,500