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Inventories
3 Months Ended
Apr. 30, 2015
Inventory Disclosure [Abstract]  
Inventories

5. Inventories:

 

Inventories consisted of the following:

 

             April 30, 2015       October 31, 2014  
Raw materials   $ 2,055,517     $ 1,715,772  
Work in process     4,451,378       2,584,378  
Finished goods     401,732       488,731  
    $ 6,908,627     $ 4,788,881