Quarterly report pursuant to Section 13 or 15(d)

Nonconsolidated Variable Interest Entities - Information of Equity Investments (Details)

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Nonconsolidated Variable Interest Entities - Information of Equity Investments (Details) - USD ($)
Mar. 31, 2019
Dec. 31, 2018
Mar. 31, 2018
Schedule of Equity Method Investments [Line Items]      
Equity method investments $ 2,684,000 $ 2,684,000 $ 23,000
Bagatelle Investors      
Schedule of Equity Method Investments [Line Items]      
Equity method investments 56,000 56,000  
Bagatelle NY      
Schedule of Equity Method Investments [Line Items]      
Equity method investments $ 2,628,000 $ 2,628,000