Quarterly report pursuant to Section 13 or 15(d)

Commitments and contingencies - License and Management Fees (Details)

v3.8.0.1
Commitments and contingencies - License and Management Fees (Details)
€ in Thousands
1 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended
Feb. 28, 2017
USD ($)
option_period
Nov. 30, 2016
USD ($)
option_period
location
May 31, 2016
USD ($)
option_period
Oct. 31, 2015
EUR (€)
option_period
Jun. 30, 2014
May 31, 2013
Dec. 31, 2011
Jul. 31, 2010
Jan. 31, 2010
USD ($)
option_period
Jul. 31, 2009
Sep. 30, 2017
USD ($)
Sep. 30, 2016
USD ($)
Sep. 30, 2017
USD ($)
Sep. 30, 2016
USD ($)
Dec. 31, 2016
USD ($)
License and Management Fees [Line Items]                              
Portion of entry fee to deferred revenue                     $ 109,957   $ 109,957   $ 109,957
Charge related to dispute resolution                     500,000        
One 29 Park Management                              
License and Management Fees [Line Items]                              
Management fee receivable percent fee of revenues                   5.00%          
Percentage of base beverage fee percent                   50.00%          
Management fees revenue                     111,844 $ 129,990 326,098 $ 375,697  
STK Vegas                              
License and Management Fees [Line Items]                              
Management fees revenue                     1,157,645 1,111,294 3,853,560 3,515,775  
Management agreement term                 10 years            
Number of option periods | option_period                 2            
Duration of option period                 5 years            
Management fees receivable percent fee                 5.00%            
Net profits prior to breakeven point date, percent                 20.00%            
Net profits after investment breakeven point date, percent                 43.00%            
Development fee                 $ 200,000            
Hip Hospitality UK                              
License and Management Fees [Line Items]                              
Management fee receivable percent fee of revenues               5.50%              
Management fees revenue                     126,423 111,025 371,345 397,371  
Management fees receivable                     46,054   46,054   117,576
TOG Aldwych                              
License and Management Fees [Line Items]                              
Management fees receivable                     248,047   248,047   520,649
Management fee receivable percent fee of receipts             5.00%                
Marketing fee percent fee             1.50%                
Additional fee percent fee             65.00%                
Management fee expense                     496,995 289,885 1,275,507 839,998  
CA Aldwych                              
License and Management Fees [Line Items]                              
Management fees revenue                     0 0 0 20,492  
Management fees receivable                     0   0   0
Management fee receivable percent fee of receipts           5.00%                  
Marketing fee percent fee           1.50%                  
TOG (Milan) S.R.L.                              
License and Management Fees [Line Items]                              
Management fee receivable percent fee of revenues         5.00%                    
Management fees revenue                     230,127 $ 111,070 668,133 $ 325,683  
Management fees receivable                     423,444   423,444   43,401
Additional fee, percent of net operating revenue         65.00%                    
Marketing fee, percent of operating revenue         1.50%                    
STK Ibiza                              
License and Management Fees [Line Items]                              
Number of option periods | option_period       1                      
Duration of option period       10 years                      
Entry fee | €       € 1,025                      
Royalty revenue, percentage of gross revenue       8.00%                      
ONE Group-STKPR                              
License and Management Fees [Line Items]                              
Number of option periods | option_period     1                        
Duration of option period     5 years                        
Entry fee     $ 250,000                        
Portion of entry fee to deferred revenue     $ 125,000                        
Royalty revenue, percentage of gross revenue     5.00%                        
Royalty revenue, percentage of annual gross revenue threshold, beach venue     2.00%                        
Royalty revenue, gross revenue threshold, beach venue     $ 1,800,000                        
Royalty revenue, percentage of annual gross revenue in excess of threshold, beach venue     5.00%                        
ONE Group-MENA                              
License and Management Fees [Line Items]                              
Number of option periods | option_period   1                          
Duration of option period   10 years                          
Entry fee   $ 600,000                          
Portion of entry fee to deferred revenue   $ 375,000                          
Royalty revenue, percentage of gross revenue   5.00%                          
Number of restaurants to be developed and operated under licensing agreement, maximum | location   3                          
Franchise revenue per location   $ 250,000                          
ONE Group-Qatar Ventures                              
License and Management Fees [Line Items]                              
Number of option periods | option_period 1                            
Duration of option period 5 years                            
Portion of entry fee to deferred revenue $ 125,000                            
Royalty revenue, percentage of gross revenue 5.00%                            
Territory fee $ 250,000                            
Management Fees and Reimbursable Expenses                              
License and Management Fees [Line Items]                              
Due from related parties                     $ 232,046   232,046   387,862
Deferred License Revenue | STK Ibiza                              
License and Management Fees [Line Items]                              
Entry fee                         $ 962,124   $ 1,014,414