Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Tables)

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Stockholders' Equity (Tables)
3 Months Ended
Oct. 31, 2018
Equity [Abstract]  
Schedule of Changes in Stockholders' Equity

A summary of the changes in stockholders’ equity for the three months ended October 31, 2018 and 2017 is presented below:

 

    October 31, 2018     October 31, 2017  
Stockholders’ equity at beginning of period   $ 22,924,206     $ 10,695,982  
Net loss     (7,575,615 )     (5,900,452 )
Stock-based compensation     1,391,656       554,575  
Common stock issued for services     239,824       109,000  
Modification of equity award     135,425       -  
Issuance of common stock through employee stock purchase plan     12,671       19,048  
Equity offerings, net of costs     7,446,811       8,058,733  
Accumulated other comprehensive income (loss)     107,900       (6,744 )
Exercise of common stock warrants     -       9,000  
Exercise of common stock options     539,719       -  
Tax withholdings paid on equity awards     (15,185 )     -  
Tax shares sold to pay for tax withholdings on equity awards     14,649       -  
Tax withholdings paid related to net share settlement of equity awards     (24,340 )     -  
Stockholders’ equity at end of period   $ 25,197,721     $ 13,539,142