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Property and Equipment (Details) - USD ($)
Dec. 31, 2016
Dec. 31, 2015
Property, Plant and Equipment [Line Items]    
Subtotal $ 7,627,832 $ 13,339,643
Less: accumulated depreciation and amortization (6,012,609) (11,534,082)
Total 1,615,223 1,805,561
Furniture and fixtures    
Property, Plant and Equipment [Line Items]    
Subtotal 241,876 230,637
Equipment    
Property, Plant and Equipment [Line Items]    
Subtotal 811,948 2,815,748
Software    
Property, Plant and Equipment [Line Items]    
Subtotal 6,132,626 9,856,947
Leasehold improvements    
Property, Plant and Equipment [Line Items]    
Subtotal $ 441,382 $ 436,311