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Inventories - Schedule of Inventories (Details) - USD ($)	Dec. 31, 2019	Dec. 31, 2018
Inventory Disclosure [Abstract]
Raw material and component parts	$ 4,481,611	$ 4,969,786
Work-in-process	35,858	351,451
Finished goods	4,906,956	4,965,594
Subtotal	9,424,425	10,286,831
Reserve for excess and obsolete inventory	(4,144,013)	(3,287,771)
Total inventories	$ 5,280,412	$ 6,999,060

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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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