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Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares
Jun. 30, 2018
Dec. 31, 2017
Common stock, par value $ 0.001 $ 0.001
Common stock, shares authorized 40,000,000 40,000,000
Common stock, shares issued 7,886,207 6,821,792
Common stock, shares outstanding 7,886,207 6,821,792
Series A Preferred Stock [Member]    
Convertible preferred stock, shares issued 376 376
Convertible preferred stock, shares outstanding 376 376
Series B Preferred Stock [Member]    
Convertible preferred stock, shares issued 15,031 15,031
Convertible preferred stock, shares outstanding 15,031 15,031
Series C Preferred Stock [Member]    
Convertible preferred stock, shares issued 12,004 12,004
Convertible preferred stock, shares outstanding 12,004 12,004
Preferred Stock [Member]    
Convertible preferred stock, par value $ 0.001 $ 0.001
Convertible preferred stock, shares authorized 10,000,000 10,000,000