Quarterly report pursuant to Section 13 or 15(d)

Property and Equipment (Details)

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Property and Equipment (Details) - USD ($)
3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Dec. 31, 2017
Property, Plant and Equipment [Line Items]      
Property, plant and equipment, gross $ 10,264,793   $ 9,836,031
Less: accumulated depreciation and amortization (7,884,879)   (7,529,752)
Total 2,379,914   2,306,279
Depreciation expense 438,185 $ 328,054  
Furniture and fixtures      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment, gross 292,304   288,536
Equipment      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment, gross 1,515,489   1,509,464
Capitalized internal use and purchased software      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment, gross 8,035,984   7,582,181
Leasehold improvements      
Property, Plant and Equipment [Line Items]      
Property, plant and equipment, gross $ 421,016   $ 455,850