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Stockholders' Equity (Tables) (Details) - shares
 9 Months Ended
Sep. 30, 2017
Dec. 31, 2016
Sep. 30, 2016
Dec. 31, 2015
Class of Stock [Line Items]        
Preferred Stock, Shares Issued 104,574      
Preferred Stock, Shares Outstanding 104,574      
Common Class A [Member]        
Class of Stock [Line Items]        
Common Stock, Shares, Outstanding 7,632,669 7,563,600 7,563,600 7,563,600
Stock Issued During Period, Shares, New Issues 38,751      
Conversion of Stock, Shares Converted 30,318      
Common Stock, Shares, Issued 7,632,669 7,563,600    
Common Class B [Member]        
Class of Stock [Line Items]        
Common Stock, Shares, Outstanding 1,406,082 1,436,400 1,436,400 1,436,400
Conversion of Stock, Shares Converted (30,318)      
Common Stock, Shares, Issued 1,406,082 1,436,400