Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Tables)

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Stockholders' Equity (Tables)
9 Months Ended
Apr. 30, 2017
Equity [Abstract]  
Summary of Changes in Stockholders' Equity

A summary of the changes in stockholders’ equity for the nine months ended April 30, 2017 and 2016 is provided below:

 

    April 30, 2017     April 30, 2016  
Stockholders’ equity at beginning of period   $ 28,053,104     $ 32,695,621  
Net loss     (15,551,867 )     (20,326,520 )
Public Offering on November 9, 2015, net of issuance costs of $613,915     -       6,886,095  
Stock-based compensation     3,378,991       4,676,215  
Accumulated other comprehensive income     7,094       -  
Issuance of common stock through employee stock purchase plan     44,057       -  
Exercise of common stock warrants     30,950       -  
Common stock issued in connection with a contractual agreement     -       55,500  
Stockholders’ equity at end of period   $ 15,962,329     $ 23,986,911