v3.20.1

Inventory (Details) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Inventory Disclosure [Abstract]
Raw materials	$ 3,741,097	$ 4,319,637
Work in process	422,176	702,079
Finished goods	0	0
Inventory, gross	4,163,273	5,021,716
Less: Inventory reserve	(2,365,127)	(2,488,100)
Inventory, total	1,798,146	2,533,616
Increase (decrease) in Inventory Reserve	$ 700,000	$ 2,500,000

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