Annual report pursuant to Section 13 and 15(d)

Property and equipment, net (Details)

v3.3.1.900
Property and equipment, net (Details) - USD ($)
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Property, Plant and Equipment [Line Items]    
Less accumulated depreciation and amortization $ 15,476,430 $ 13,833,271
Property & equipment, net 27,952,327 18,815,625
Depreciation and amortization 2,191,450 1,438,728
Impairment loss 3,282,851  
Accumulated depreciation written off 476,462  
Furniture, fixtures and equipment    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 8,053,787 7,336,956
Leasehold improvements    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 26,175,472 20,719,230
Leasehold improvements and furniture, fixtures and equipment    
Property, Plant and Equipment [Line Items]    
Property & equipment, net 18,752,829 14,222,915
Construction in progress    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 7,967,181 3,871,670
Restaurant supplies    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross $ 1,232,317 $ 721,040