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Inventories (Details) (USD $)
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Aug. 31, 2012
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Nov. 30, 2011
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|---|---|---|
| Schedule of components of inventory | ||
| Raw materials | $ 6,847,232 | $ 6,272,251 |
| Finished goods | 3,435,784 | 3,188,157 |
| Total | $ 10,283,016 | $ 9,460,408 |
| X | ||||||||||
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- Definition
Amount before last-in first-out (LIFO) and valuation reserves of merchandise or goods held by the entity that are readily available for sale. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Gross amount, as of the balance sheet date, of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Gross amount of unprocessed items to be consumed in the manufacturing or production process. Also includes purchased parts that will be used as components of a finished product. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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