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, 2015
Dec. 31, 2014
Schedule of Equity Method Investments [Line Items]    
Investments $ 2,910,362 $ 2,802,443
Equity in income of investee companies 1,038,854 1,149,060
Bagatelle Investors [Member]    
Schedule of Equity Method Investments [Line Items]    
Investments 7,364 357,896
Bagatelle NY [Member]    
Schedule of Equity Method Investments [Line Items]    
Investments 2,357,927 1,938,252
Bagatelle LA [Member]    
Schedule of Equity Method Investments [Line Items]    
Investments 0 0
One 29 Park, LLC [Member]    
Schedule of Equity Method Investments [Line Items]    
Investments $ 545,071 $ 506,295