Inventory - Components of Inventory (Detail) - USD ($)  | 
Nov. 30, 2022  | 
Nov. 30, 2021  | 
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| Inventory [Line Items] | ||
| Collection kits | $ 41,463 | $ 42,998 | 
| Inventory reserve | (7,718) | (7,718) | 
| Total inventory | 10,126,574 | 10,616,576 | 
| All Other [Member] | ||
| Inventory [Line Items] | ||
| Work-in-process | 254,953 | 357,686 | 
| Finished goods | 62,554 | 29,821 | 
| Public Banking [Member] | ||
| Inventory [Line Items] | ||
| Finished goods | $ 9,775,322 | $ 10,193,789 | 
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- Definition Inventory, collection kits. No definition available. 
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- Definition The amount represents inventory current and non current. No definition available. 
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- Definition Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef 
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available. 
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- Definition Amount of valuation reserve for inventory. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef 
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- Definition Amount before valuation and LIFO reserves of merchandise or goods in the production process expected to be completed within one year or operating cycle, if longer. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef 
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