Annual report pursuant to Section 13 and 15(d)

Nonconsolidated Variable Interest Entities (Detail Textuals)

v3.8.0.1
Nonconsolidated Variable Interest Entities (Detail Textuals)
12 Months Ended
Dec. 31, 2017
USD ($)
Restaurant
Dec. 31, 2016
USD ($)
Dec. 31, 2011
Entity
Mar. 19, 2018
USD ($)
Schedule of Equity Method Investments [Line Items]        
Number of entities formed | Entity     3  
Equity method investments $ 2,957,000 $ 3,066,000    
Due from related parties, net   416,000    
Bagatelle NY LA Investors, LLC (Bagatelle Investors)        
Schedule of Equity Method Investments [Line Items]        
Number operating restaurant companies | Restaurant 2      
Ownership percentage 31.24%      
Equity method investments $ 33,000 7,000    
Bagatelle Little West 12th, LLC (Bagatelle NY)        
Schedule of Equity Method Investments [Line Items]        
Ownership percentage 51.13%      
Equity method investments $ 2,509,000 2,553,000    
Management fee revenue 200,000 300,000    
Rental income $ 500,000 500,000    
Bagatelle La Cienega, LLC (Bagatelle LA)        
Schedule of Equity Method Investments [Line Items]        
Ownership percentage 43.33%      
Equity method investments $ 0 0    
Investment wrote off 0      
Management fee revenue 200,000 300,000    
One 29 Park, LLC (One 29 Park)        
Schedule of Equity Method Investments [Line Items]        
Equity method investments 415,000 506,000    
Management fee revenue 500,000 500,000    
Subsequent event | One 29 Park, LLC (One 29 Park)        
Schedule of Equity Method Investments [Line Items]        
Ownership percentage       10.00%
Equity method investments       $ 600,000
Variable Interest Entity, Primary Beneficiary, Aggregated Disclosure        
Schedule of Equity Method Investments [Line Items]        
Due from related parties, net $ 100,000 $ 500,000