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Summary of Significant Accounting Policies - Additional Information (Detail) (USD $)
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12 Months Ended | ||
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Nov. 30, 2012
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Nov. 30, 2011
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Nov. 30, 2010
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| Summary Of Significant Accounting Policies [Line Items] | |||
| Period over which patents are amortized on the straight-line method | 17 years | ||
| Increase/(Decrease) in open cooperative advertising | $ (640,000) | $ 192,690 | |
| Shipping costs | 3,272,759 | 2,912,474 | 2,706,883 |
| Advertising, cooperative and promotional expenses | 7,142,284 | 5,436,565 | 7,493,282 |
| Research and development costs | $ 769,637 | $ 714,565 | $ 619,147 |
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- Definition
Increase Decrease In Reserve For Open Cooperative Advertising No definition available.
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- Details
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- Definition
Total amount received by an entity from a vendor under a cooperative advertising arrangement that has been offset against advertising expense. 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
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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