v3.10.0.1

Summary of Significant Accounting Policies - Narrative (Details) - USD ($) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Aug. 31, 2018 | Aug. 31, 2017 | Aug. 31, 2018 | Aug. 31, 2017 | Nov. 30, 2017
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Sales returns, basis of estimated returns |  |  | 3 months |  |
Term accounts remain open unless management believes a deduction may still be taken |  |  | 3 years |  |
Decrease in cooperative advertising recorded as sales incentives | $ 133,755 |  | $ 401,350 |  |
Decrease in open cooperative advertising contracts | 204,527 |  | 613,723 |  |
Summary of Significant Accounting Policies (Textual) [Abstract] |  |  |  |  |
Shipping costs | 1,489,281 | $ 1,989,572 | 4,997,545 | $ 6,043,406 |
Advertising, cooperative and promotional expenses | 816,117 | 738,635 | 1,671,605 | 1,681,999 |
Research and development | 16,426 | 16,811 | $ 45,819 | 44,143 |
Patents |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Intangible asset useful life |  |  | 17 years |  |
Accounting Standards Update 2015-07 |  |  |  |  |
Summary of Significant Accounting Policies (Textual) [Abstract] |  |  |  |  |
Deferred income taxes |  |  |  |  | $ 2,079,988
Reclassification from current deferred tax assets |  |  |  |  | $ (2,079,988)
Shipping Costs |  |  |  |  |
Summary of Significant Accounting Policies (Textual) [Abstract] |  |  |  |  |
Shipping costs | $ 217,265 | $ 93,566 | $ 520,650 | $ 271,810 |

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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. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 720 -SubTopic 35 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6420018&loc=d3e36677-107848 + Details
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