Property and Equipment - Schedule of Property and Equipment (Details) - USD ($)	Jun. 30, 2019	Dec. 31, 2018
Gross property and equipment	$ 8,936,340	$ 9,424,004
Less: Accumulated depreciation	(8,638,846)	(9,080,311)
Net property and equipment	297,494	343,693
Equipment [Member]
Gross property and equipment	6,447,835	6,739,939
Leasehold Improvements [Member]
Gross property and equipment	$ 2,488,505	$ 2,684,065

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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