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Inventory - Components of Inventory (Detail) - USD ($)
May 31, 2018
Nov. 30, 2017
Inventory Disclosure [Abstract]    
Raw materials $ 0 $ 0
Work-in-process 80,526 97,210
Finished goods 329,263 210,854
Collection kits 22,423 14,220
Inventory reserve (7,718) (7,718)
Total inventory $ 424,494 $ 314,566