Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events (Details)

v3.8.0.1
Subsequent Events (Details) - $ / shares
3 Months Ended 12 Months Ended
Oct. 02, 2017
Aug. 31, 2017
May 31, 2017
Feb. 28, 2017
Nov. 30, 2016
Subsequent Event [Line Items]          
Options granted (shares)   232,500 0 0 519,000
Exercise price of options granted (usd per share)   $ 3.30 $ 0.00   $ 3.23
Subsequent Event | Director          
Subsequent Event [Line Items]          
Options granted (shares) 75,000        
Exercise price of options granted (usd per share) $ 3.30