Summary of Significant Accounting Policies - Narrative (Details) - USD ($) |
3 Months Ended | ||
|---|---|---|---|
Feb. 28, 2018 |
Feb. 28, 2017 |
Nov. 30, 2017 |
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| Finite-Lived Intangible Assets [Line Items] | |||
| Impairments of long-lived assets | $ 0 | $ 0 | |
| Estimated duration of lag in coupon redemptions | 42 days | ||
| Duration of historical returns used to determine reserve for returns | 5 months | ||
| Term accounts remain open unless management believes a deduction may still be taken | 3 years | ||
| Decrease in reserve for open cooperative advertising | $ 133,833 | 204,598 | |
| Shipping costs | 98,150 | 81,466 | |
| Advertising, cooperative and promotional expenses | 349,743 | 482,215 | |
| Research and development costs | 14,514 | $ 13,082 | |
| Deferred income taxes | $ 6,394,664 | $ 9,502,319 | |
| Patents | |||
| Finite-Lived Intangible Assets [Line Items] | |||
| Intangible asset useful life | 17 years | ||
| ASU 2015-17 | |||
| Finite-Lived Intangible Assets [Line Items] | |||
| Deferred income taxes | 2,079,988 | ||
| Reclassification from current deferred tax assets | $ (2,079,988) | ||
| X | ||||||||||
- Definition Cooperative Advertising, Duration Accounts Remain Open, Unless Deduction Still Likely No definition available.
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- Definition Increase (Decrease) In Reserve For Open Cooperative Advertising No definition available.
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- Definition Revenue Recognition, Duration Of Historical Returns Used To Determine Reserve For Returns No definition available.
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- Definition Revenue Recognition, Estimated Duration Of Lag In Coupon Redemptions No definition available.
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- Definition Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, with jurisdictional netting. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, netted by jurisdiction and classified as current. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. No definition available.
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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 The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Cost incurred during the reporting period in transporting goods and services to customers. Includes freight-out costs. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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