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Inventories - Schedule of Inventories (Details) - USD ($)	Dec. 31, 2020	Dec. 31, 2019
Inventory Disclosure [Abstract]
Raw material and component parts	$ 3,186,426	$ 4,481,611
Work-in-process	1,907	35,858
Finished goods	6,974,291	4,906,956
Subtotal	10,162,625	9,424,425
Reserve for excess and obsolete inventory	(1,960,351)	(4,144,013)
Total	$ 8,202,274	$ 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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