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Patent Option and Technology License Agreement - Additional Information (Detail) - USD ($) |  |  |  | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | ---
Feb. 23, 2021 | Dec. 01, 2020 | Jun. 30, 2020 | Aug. 31, 2021 | Aug. 31, 2020 | Aug. 31, 2021 | Aug. 31, 2020 | Mar. 08, 2021 | Feb. 28, 2021
Patent Option And Technology License Agreement [Line Items] |  |  |  |  |  |  |  |  |
Long-term line of credit |  |  | $ 350,000 |  |  |  |  |  |
Line of credit facility |  | $ 150,000 | $ 150,000 |  |  |  |  |  |
Revenue |  |  |  | $ 7,503,652 | $ 8,114,358 | $ 21,569,464 | $ 23,606,976 |  |
Duke University [Member] |  |  |  |  |  |  |  |  |
Patent Option And Technology License Agreement [Line Items] |  |  |  |  |  |  |  |  |
License fee payable |  | $ 12,000,000 |  |  |  |  |  |  |
License fee transferred |  |  |  |  |  |  |  | $ 4,889,410 |
Milestone payments first phase III clinical trial | $ 2,000,000 |  |  |  |  |  |  |  |
Capitalized costs to obtain agreement |  |  |  |  |  |  |  |  | $ 15,132,189
Present value of license fee |  |  |  | 12,000,000 |  | 12,000,000 |  |  |
Number of common stock value transferred |  |  |  | $ 3,585,170 |  | $ 3,585,170 |  |  |
Capitalized costs amortization period |  |  |  | 16 years |  | 16 years |  |  |
Amortization expense |  |  |  | $ 240,193 |  | $ 480,387 |  |  |
Duke University [Member] | 5.0% upon Execution of the Agreement [Member] | Fully Diluted Equity Ownership |  |  |  |  |  |  |  |  |
Patent Option And Technology License Agreement [Line Items] |  |  |  |  |  |  |  |  |
Common Stock Equal Full Diluted Equity Ownership Outstanding Percentage | 5.00% |  |  |  |  |  |  |  |
Duke University [Member] | 2.5% Market Cap [Member] | Fully Diluted Equity Ownership |  |  |  |  |  |  |  |  |
Patent Option And Technology License Agreement [Line Items] |  |  |  |  |  |  |  |  |
Common Stock Equal Full Diluted Equity Ownership Outstanding Percentage | 2.50% |  |  |  |  |  |  |  |
Duke University [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |
Patent Option And Technology License Agreement [Line Items] |  |  |  |  |  |  |  |  |
Royalties Percentage Portion of Net Sales | 7.00% |  |  |  |  |  |  |  |
Duke University [Member] | Minimum [Member] | 2.5% Market Cap Triggers with 18 Months [Member] | Fully Diluted Equity Ownership |  |  |  |  |  |  |  |  |
Patent Option And Technology License Agreement [Line Items] |  |  |  |  |  |  |  |  |
Average Closing Market Capital | $ 300,000,000 |  |  |  |  |  |  |  |
Duke University [Member] | Minimum [Member] | 2.5% Market Cap Triggers with 24 Months [Member] | Fully Diluted Equity Ownership |  |  |  |  |  |  |  |  |
Patent Option And Technology License Agreement [Line Items] |  |  |  |  |  |  |  |  |
Average Closing Market Capital | $ 500,000,000 |  |  |  |  |  |  |  |
Duke University [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |
Patent Option And Technology License Agreement [Line Items] |  |  |  |  |  |  |  |  |
Royalties Percentage Portion of Net Sales | 12.50% |  |  |  |  |  |  |  |
Duke University [Member] | Within Fourteen (14) days of February 23, 2021 |  |  |  |  |  |  |  |  |
Patent Option And Technology License Agreement [Line Items] |  |  |  |  |  |  |  |  |
License fee payable | $ 5,000,000 |  |  |  |  |  |  |  |
Duke University [Member] | First Anniversary [Member] |  |  |  |  |  |  |  |  |
Patent Option And Technology License Agreement [Line Items] |  |  |  |  |  |  |  |  |
License fee payable | 5,000,000 |  |  |  |  |  |  |  |
Duke University [Member] | Second Anniversary [Member] |  |  |  |  |  |  |  |  |
Patent Option And Technology License Agreement [Line Items] |  |  |  |  |  |  |  |  |
License fee payable | 2,000,000 |  |  |  |  |  |  |  |
Minimum Annual Royalties Due Year Two | 500,000 |  |  |  |  |  |  |  |
Minimum Annual Royalties Due Year Three | 1,000,000 |  |  |  |  |  |  |  |
Minimum Annual Royalties Due Year Four | 2,500,000 |  |  |  |  |  |  |  |
Minimum Annual Royalties Due Year Five | 5,000,000 |  |  |  |  |  |  |  |
Minimum Annual Royalties Due After Year Five | $ 5,000,000 |  |  |  |  |  |  |  |
Duke University [Member] | Licensed Product and Licensed Process [Member] |  |  |  |  |  |  |  |  |
Patent Option And Technology License Agreement [Line Items] |  |  |  |  |  |  |  |  |
Royalties Term | 15 years |  |  |  |  |  |  |  |
Duke University [Member] | Licensed Product and Licensed Process [Member] | 2.5% Upon Cumulative Net Sales [Member] | Fully Diluted Equity Ownership |  |  |  |  |  |  |  |  |
Patent Option And Technology License Agreement [Line Items] |  |  |  |  |  |  |  |  |
Common Stock Equal Full Diluted Equity Ownership Outstanding Percentage | 2.50% |  |  |  |  |  |  |  |
Revenue | $ 10,000,000 |  |  |  |  |  |  |  |
Duke University [Member] | Licensed Product and Licensed Process [Member] | 2.5% Upon Cumulative Net Sales [Member] | Fully Diluted Equity Ownership |  |  |  |  |  |  |  |  |
Patent Option And Technology License Agreement [Line Items] |  |  |  |  |  |  |  |  |
Common Stock Equal Full Diluted Equity Ownership Outstanding Percentage | 2.50% |  |  |  |  |  |  |  |
Revenue | $ 75,000,000 |  |  |  |  |  |  |  |

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