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Note 4 - Inventories - Major Classes of Inventory (Details) - USD ($) | Nov. 30, 2018 | Nov. 30, 2017
--- | --- | ---
Raw materials | $ 7,825,278 | $ 8,731,985
Work in process | 272,302 | 460,687
Finished goods | 5,051,330 | 5,395,353
Total Gross Inventory | 13,148,910 | 14,588,025
Less: Reserves | (2,891,808) | (2,621,303)
Net Inventory | $ 10,257,102 | $ 11,966,722

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