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Consolidated Balance Sheets (Parenthetical) - $ / shares
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Common shares, par value $ 0.01 $ 0.01 $ 0.01
Common Class A [Member]      
Common shares, shares authorized 214,000,000 214,000,000  
Common shares, par value $ 0.01 $ 0.01 0.01
Common shares, shares issued 9,017,205 5,951,217  
Common shares, shares outstanding 9,017,205 5,951,217  
Common Class B [Member]      
Common shares, shares authorized 20,000,000 20,000,000  
Common shares, par value $ 0.01 $ 0.01 0.01
Common shares, shares issued 925,745 925,745  
Common shares, shares outstanding 925,745 925,745  
Series B Preferred Shares [Member]      
Preferred shares, shares authorized 16,100 16,100  
Preferred shares, par value $ 0.01 $ 0.01 $ 0.01
Preferred shares, shares issued 14,000 14,000  
Preferred shares, shares outstanding 14,000 14,000  
Series C Preferred Shares [Member]      
Preferred shares, shares authorized 250,000 0  
Preferred shares, par value $ 0.01    
Preferred shares, shares issued 250,000 0  
Preferred shares, shares outstanding 250,000 0