Annual report pursuant to Section 13 and 15(d)

Consolidated Balance Sheets (Parenthetical)

v3.19.1
Consolidated Balance Sheets (Parenthetical) - USD ($)
Dec. 31, 2018
Dec. 31, 2017
Face value of principal $ 7,750,000 $ 7,750,000
Unamortized debt discount   $ 3,244,274
Temporary equity, par value per share $ 0.001 $ 0.001
Temporary equity, shares authorized 20,000,000 20,000,000
Preferred stock, par value $ 0.001 $ 0.001
Preferred stock, shares authorized 20,000,000 20,000,000
Common stock, par value per share $ 0.001 $ 0.001
Common stock, shares authorized 75,000,000 75,000,000
Common stock, shares issued 27,142,979 14,551,234
Common stock, shares outstanding 27,142,979 14,551,234
Series A Convertible Preferred Stock [Member]    
Temporary equity, par value per share $ 0.001 $ 0.001
Temporary equity, shares issued 0 249,667
Temporary equity, shares outstanding 0 249,667
Preferred stock, shares issued 249,667
Preferred stock, shares outstanding 249,667
Series B Convertible Preferred Stock [Member]    
Preferred stock, par value $ 0.001 $ 0.001
Preferred stock, shares issued 1,069,941 0
Preferred stock, shares outstanding 1,069,941 0
Series A-1 Convertible Preferred Stock [Member]    
Preferred stock, par value $ 0.001 $ 0.001
Preferred stock, shares issued 0 357,259
Preferred stock, shares outstanding 0 357,259