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License Agreements - Additional Information (Detail) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Aug. 31, 2018 USD ($) | Aug. 31, 2017 USD ($) | Aug. 31, 2018 USD ($) Agreement | Aug. 31, 2017 USD ($)
License Agreements [Line Items] |  |  |  |
Types of agreements | Agreement |  |  | 2 |
Revenue | $ 7,871,222 | $ 6,895,941 | $ 20,624,803 | $ 18,909,316
LifeCell License and Agreement [Member] |  |  |  |
License Agreements [Line Items] |  |  |  |
Royalty income since inception of license and royalty agreement | 6,700,000 |  | 6,700,000 |
Royalty collected since inception of license and royalty agreement | 6,200,000 |  | 6,200,000 |
LifeCell License and Agreement [Member] | Accounts Receivable [Member] |  |  |  |
License Agreements [Line Items] |  |  |  |
Royalties receivable | 500,000 |  | 500,000 |
LifeCell License and Agreement [Member] | Maximum [Member] |  |  |  |
License Agreements [Line Items] |  |  |  |
Royalties receivable | $ 1,000,000 |  | 1,000,000 |
LifeCell License and Agreement [Member] | Royalty [Member] | Maximum [Member] |  |  |  |
License Agreements [Line Items] |  |  |  |
Revenue |  |  | $ 10,000,000 |

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- Definition Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130539-203045 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130545-203045 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130543-203045 + Details
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