XML 59 R42.htm IDEA: XBRL DOCUMENT v3.20.1
Property and Equipment - Schedule of Property and Equipment (Details) - USD ($)
Dec. 31, 2019
Dec. 31, 2018
Gross property and equipment $ 8,824,314 $ 9,424,004
Less: Accumulated depreciation (8,573,871) (9,080,311)
Net property and equipment 250,443 343,693
Equipment [Member]    
Gross property and equipment 6,485,873 6,739,939
Leasehold Improvements [Member]    
Gross property and equipment $ 2,338,441 $ 2,684,065