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Inventory - Components of Inventory (Detail) - USD ($) | Nov. 30, 2020 | Nov. 30, 2019
--- | --- | ---
Inventory [Line Items] |  |
Collection kits | $ 33,006 | $ 44,453
Inventory reserve | (7,718) | (7,718)
Total inventory | 11,991,352 | 13,730,533
All Other [Member] |  |
Inventory [Line Items] |  |
Work-in-process | 273,430 | 149,972
Finished goods | 63,327 | 52,451
Public Banking [Member] |  |
Inventory [Line Items] |  |
Finished goods | $ 11,629,307 | $ 13,491,375

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