Quarterly report pursuant to Section 13 or 15(d)

Property and Equipment - Additional Information (Details)

v3.10.0.1
Property and Equipment - Additional Information (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Property Plant And Equipment [Line Items]        
Depreciation expense $ 156,093 $ 114,358 $ 422,549 $ 336,817
Tenant Improvement | Minimum        
Property Plant And Equipment [Line Items]        
Property and equipment, estimated useful Life     6 years  
Tenant Improvement | Maximum        
Property Plant And Equipment [Line Items]        
Property and equipment, estimated useful Life     10 years  
Property and Equipment, Other Types | Minimum        
Property Plant And Equipment [Line Items]        
Property and equipment, estimated useful Life     3 years  
Property and Equipment, Other Types | Maximum        
Property Plant And Equipment [Line Items]        
Property and equipment, estimated useful Life     5 years