Property and Equipment (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 11,747,764		$ 11,747,764		$ 11,383,297
Less: accumulated depreciation and amortization	(10,280,654)		(10,280,654)		(9,259,625)
Total	1,467,110		1,467,110		2,123,672
Depreciation expense	412,660	$ 457,272	1,286,086	$ 1,343,247
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	293,152		293,152		293,152
Equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	1,013,792		1,013,792		1,527,054
Capitalized internal use and purchased software
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	10,019,804		10,019,804		9,142,075
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 421,016		$ 421,016		$ 421,016