Schedule of Property and Equipment (Details) - USD ($)	Jun. 30, 2020	Dec. 31, 2019
Property, Plant and Equipment [Line Items]
Gross property and equipment	$ 8,895,210	$ 8,824,314
Less: Accumulated depreciation	(8,632,171)	(8,573,871)
Net property and equipment	263,039	250,443
Equipment [Member]
Property, Plant and Equipment [Line Items]
Gross property and equipment	6,556,769	6,485,873
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Gross property and equipment	$ 2,338,441	$ 2,338,441