Schedule of Property and Equipment (Details) - USD ($)	Mar. 31, 2021	Dec. 31, 2020
Property, Plant and Equipment [Line Items]
Gross property and equipment	$ 8,861,617	$ 8,827,425
Less: Accumulated depreciation	(8,659,113)	(8,632,296)
Net property and equipment	202,504	195,129
Equipment [Member]
Property, Plant and Equipment [Line Items]
Gross property and equipment	6,488,984	6,488,984
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Gross property and equipment	2,338,441	2,338,441
Construction in Progress [Member]
Property, Plant and Equipment [Line Items]
Gross property and equipment	$ 34,192