Quarterly report pursuant to Section 13 or 15(d)

CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical)

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CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical) - USD ($)
Jun. 30, 2019
Dec. 31, 2018
Common stock, par value $ 0.001 $ 0.001
Common stock, shares authorized 190,000,000 190,000,000
Common stock, shares outstanding 135,331,951 134,793,211
Common stock, shares issued 135,331,951 134,793,211
Series A Preferred Stock [Member]    
Preferred stock, par value $ 0.001 $ 0.001
Preferred stock, shares issued 215 215
Preferred stock, shares outstanding 185 185
Preferred stock, liquidiation preference $ 1,636,875 $ 1,600,168
Series B Preferred Stock [Member]    
Preferred stock, par value $ 0.001 $ 0.001
Preferred stock, shares issued 538 538
Preferred stock, shares outstanding 52 52
Preferred stock, liquidiation preference $ 445,406 $ 435,081