Quarterly report pursuant to Section 13 or 15(d)

Common Shares and Warrants (Details 1)

v3.19.2
Common Shares and Warrants (Details 1) - $ / shares
9 Months Ended 12 Months Ended
May 31, 2019
Aug. 31, 2018
Common Shares And Warrants [Roll Forward]    
Number of Warrants, Balance 3,286,274 8,844,506
Weighted Average Exercise Price, Balance $ 0.72 $ 0.29
Number of Warrants, Cancelled/Expired (17,498) (230,000)
Weighted Average Exercise Price, Cancelled/Expired $ 0.59 $ 0.17
Number of Warrants, Exercised (1,426,513) [1] (6,364,145)
Weighted Average Exercise Price, Exercised $ 0.52 $ 0.28
Number of Warrants, Issued 1,183,062 1,035,913
Weighted Average Exercise Price, Issued $ 1.98 $ 1.48
Number of Warrants, Balance 3,025,325 3,286,274
Weighted Average Exercise Price, Balance $ 1.31 $ 0.72
[1] Includes 384,212 broker warrants exercised for gross proceeds of $144,799