Annual report pursuant to Section 13 and 15(d)

Nonconsolidated variable interest entities - Company Investments (Details)

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Nonconsolidated variable interest entities - Company Investments (Details) - USD ($)
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Schedule of Equity Method Investments [Line Items]    
Investments $ 3,065,557 $ 2,910,362
Equity in income of investee companies 674,289 1,038,854
Bagatelle NY LA Investors, LLC (“Bagatelle Investors”)    
Schedule of Equity Method Investments [Line Items]    
Investments 6,569 7,364
Bagatelle Little West 12th, LLC ( “Bagatelle NY”)    
Schedule of Equity Method Investments [Line Items]    
Investments 2,552,687 2,357,927
Bagatelle La Cienega, LLC (“Bagatelle LA”)    
Schedule of Equity Method Investments [Line Items]    
Investments 0 0
One 29 Park, LLC    
Schedule of Equity Method Investments [Line Items]    
Investments $ 506,301 $ 545,071