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CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)
Dec. 31, 2018
Dec. 31, 2017
Investments - related parties, original issue discount $ 2,336,693 $ 2,115,710
Preferred stock, par value (in dollars per share) $ 0.001 $ 0.001
Preferred stock, authorized 23,121,224 23,121,224
Preferred stock, issued
Preferred stock, outstanding
Series A Preferred Stock [Member]    
Convertible preferred stock, stated value (in dollars per share) $ 25 $ 25
Convertible redeemable preferred stock, par value (in dollars per share) $ 0.001 $ 0.001
Convertible preferred stock, authorized 1,000,000 1,000,000
Convertible preferred stock, issued 1,434
Convertible preferred stock, outstanding 1,434
Preferred stock, par value (in dollars per share) $ 2.50  
Convertible preferred stock, liquidation preference $ 35,850  
Series B Preferred Stock [Member]    
Convertible preferred stock, stated value (in dollars per share) $ 10 $ 10
Convertible redeemable preferred stock, par value (in dollars per share) $ 0.001 $ 0.001
Convertible preferred stock, authorized 500,000 500,000
Convertible preferred stock, issued 125,000 100,000
Convertible preferred stock, outstanding 125,000 100,000
Convertible preferred stock, liquidation preference $ 1,250,000 $ 1,000,000
Series D Preferred Stock [Member]    
Convertible preferred stock, stated value (in dollars per share) $ 0.01 $ 0.01
Convertible redeemable preferred stock, par value (in dollars per share) $ 0.001 $ 0.001
Convertible preferred stock, authorized 378,776 378,776
Convertible preferred stock, issued 378,776
Convertible preferred stock, outstanding 378,776
Convertible preferred stock, liquidation preference   $ 3,788
Common Class A [Member]    
Common stock, par value (in dollars per share) $ 0.001 $ 0.001
Common stock, authorized 500,000,000 500,000,000
Common stock, issued 4,036,407 1,511,115
Common stock, outstanding 4,036,407 1,511,115
Common Class B [Member]    
Common stock, par value (in dollars per share) $ 0.001 $ 0.001
Common stock, authorized 25,000,000 25,000,000
Common stock, issued
Common stock, outstanding