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Inventory (Tables)
9 Months Ended
Jul. 31, 2019
Inventory Disclosure [Abstract]  
Components of Inventory

Inventory is stated at the lower of cost (weighted average method) or net realizable value. Inventory consisted of the following components:

 

   July 31, 2019   October 31, 2018 
         
Raw materials and parts  $3,251,696   $2,887,505 
Work in progress   603,343    472,204 
Finished goods   499,781    463,534 
Total Inventory  $4,354,820   $3,823,243