Annual report pursuant to Section 13 and 15(d)

Inventory - Additional Information (Detail)

v3.19.3.a.u2
Inventory - Additional Information (Detail) - USD ($)
6 Months Ended 12 Months Ended
May 31, 2019
Nov. 30, 2019
Other Asset Impairment Charges $ 2,332,763 $ 2,332,763