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Inventories - Schedule of Inventories (Details) - USD ($)	Mar. 31, 2021	Dec. 31, 2020
Inventory Disclosure [Abstract]
Raw material and component parts	$ 3,141,836	$ 3,186,426
Work-in-process	7,670	1,907
Finished goods	8,128,666	6,974,291
Subtotal	11,278,172	10,162,625
Reserve for excess and obsolete inventory	(2,388,256)	(1,960,351)
Total inventories	$ 8,889,916	$ 8,202,274

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