v3.19.3
Property and Equipment, net - Schedule of Property and Equipment, net (Details) - USD ($)
Sep. 30, 2019
Dec. 31, 2018
Property, Plant and Equipment [Line Items]    
Property and equipment, gross $ 7,345,288 $ 6,939,666
Less accumulated depreciation and amortization (5,977,348) (5,162,364)
Property and equipment, net 1,367,940 1,777,302
Computer and office equipment    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 476,402 476,402
Lab equipment    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 4,633,693 4,437,794
Service equipment placed at customer sites    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 359,546 149,823
Leasehold improvements    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross $ 1,875,647 $ 1,875,647