Annual report pursuant to Section 13 and 15(d)

Stock based compensation (Details)

v3.10.0.1
Stock based compensation (Details) - $ / shares
12 Months Ended
Jun. 04, 2018
Aug. 31, 2018
Aug. 31, 2017
Granted 1,004,016 948,745 920,000
Ending balance   3,778,796  
Stock Option [Member]      
Beginning balance   790,000
Granted   948,745 920,000
Exercised  
Canceled/forfeited/expired   (390,000) (130,000)
Ending balance   1,348,745 790,000
Options vested and exercisable at August 31, 2018   180,521  
Weighted Average Exercise Price Beginning   $ 4.62
Granted   2.64 4.60
Exercised  
Canceled/forfeited/expired   3.87 4.45
Weighted Average Exercise Price Ending   3.45 $ 4.62
Options vested and exercisable at August 31, 2018   $ 4.56