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Condensed Consolidated Balance Sheets (Parenthetical) - USD ($)
Jun. 30, 2018
Dec. 31, 2017
Common stock, par or stated value per share $ 0.0001 $ 0.0001
Common stock, shares authorized 100,000,000 100,000,000
Common stock, shares issued 37,383,133 18,127,119
Common stock, shares outstanding 37,363,965 18,103,691
Series B Redeemable Convertible Preferred Stock [Member]    
Convertible preferred stock, par value $ 0.0001 $ 0.0001
Convertible preferred stock, shares designated 16,000 16,000
Convertible preferred stock, shares issued 558 12,177
Convertible preferred stock, shares outstanding 558 12,177
Convertible preferred stock, aggregate liquidation $ 510,083  
Convertible preferred stock, redemption value $ 510,083