Quarterly report pursuant to Section 13 or 15(d)

CONDENSED CONSOLIDATED BALANCE SHEETS (Parentheticals)

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CONDENSED CONSOLIDATED BALANCE SHEETS (Parentheticals) - USD ($)
Sep. 30, 2018
Dec. 31, 2017
Preferred stock, par value (in dollars per share) $ 0.001 $ 0.001
Preferred stock, shares authorized 20,000,000 20,000,000
Par value of common stock issued (in dollars per share) $ 0.001 $ 0.001
Common stock, shares authorized 236,000,000 236,000,000
Common stock, shares issued 133,445,080 33,622,829
Common stock, shares outstanding 133,445,080 33,622,829
Convertible Series B Preferred Stock    
Preferred stock, shares issued 0 2,833.55
Preferred stock, shares outstanding 0 2,833.55
Issuance costs (in dollars)   $ 347,091
Convertible Series D Preferred Stock    
Preferred stock, shares issued 0 200
Preferred stock, shares outstanding 0 200
Issuance costs (in dollars)   $ 30,557
Convertible Series F Preferred Stock    
Preferred stock, shares issued 0 2,000
Preferred stock, shares outstanding 0 2,000
Issuance costs (in dollars)   $ 118,855