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Inventories - Schedule of Inventories (Details) - USD ($)	Jun. 30, 2020	Dec. 31, 2019
Inventory Disclosure [Abstract]
Raw material and component parts	$ 2,575,710	$ 4,481,611
Work-in-process	30,679	35,858
Finished goods	4,146,308	4,906,956
Subtotal	6,752,697	9,424,425
Reserve for excess and obsolete inventory	(2,000,412)	(4,144,013)
Total	$ 4,752,285	$ 5,280,412

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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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