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Note 4 - Inventory (Tables) | 3 Months Ended
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Feb. 28, 2013
Schedule of Inventory, Current [Table Text Block] |
|  | February 28, 2013 |  | November 30, 2012 |
Raw materials |  | $ | 9,291,987 |  |  | $ | 8,466,060 |
Work in process |  |  | 334,271 |  |  |  | 632,969 |
Finished goods |  |  | 7,077,804 |  |  |  | 7,694,528 |
|  | $ | 16,704,062 |  |  | $ | 16,793,557 |
Less: Reserves |  |  | (2,577,717 | ) |  |  | (2,466,075 | )
|  | $ | 14,126,345 |  |  | $ | 14,327,482 |

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- Definition Tabular disclosure of the carrying 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 2 -Paragraph 6 -Subparagraph a,b,c -Article 5 + Details
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Namespace Prefix: | us-gaap_
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Balance Type: | na
Period Type: | duration