Property and Equipment - Additional Information (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Property Plant And Equipment [Line Items]
Depreciation expense	$ 114,358	$ 121,068	$ 336,817	$ 357,425
Property, Plant and Equipment, Other Types
Property Plant And Equipment [Line Items]
Property, Plant and Equipment, Useful Life			3 years
Minimum | Tenant Improvement
Property Plant And Equipment [Line Items]
Property, Plant and Equipment, Useful Life			6 years
Maximum | Tenant Improvement
Property Plant And Equipment [Line Items]
Property, Plant and Equipment, Useful Life			10 years