XML 32 R38.htm IDEA: XBRL DOCUMENT v3.19.3
Inventory - Additional Information (Detail) - USD ($)
3 Months Ended 6 Months Ended 9 Months Ended
May 31, 2019
May 31, 2019
Aug. 31, 2019
Other Asset Impairment Charges $ 2,332,763 $ 2,332,763 $ 2,332,763