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Inventory - Schedule of Components of Inventory (Details) - USD ($)	Apr. 30, 2021	Oct. 31, 2020
Inventory, Net [Abstract]
Raw materials and parts	$ 8,266,304	$ 7,322,688
Work in progress	922,880	698,756
Finished goods	1,378,910	1,120,829
Total Inventory	$ 10,568,094	$ 9,142,273

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Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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Gross amount of unprocessed materials to be used in manufacturing or production process and supplies that will be consumed.

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Amount before valuation and LIFO reserves of merchandise or goods in the production process expected to be completed within one year or operating cycle, if longer.

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