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Common Stock and Warrants (Tables)
12 Months Ended
Aug. 31, 2019
Common Stock And Warrants Tables  
Warrants outstanding and exercisable

A summary of the Company’s warrants outstanding and exercisable as of August 31, 2019 and 2018 is as follows:

 

   Shares of Common Stock Issuable from Warrants Outstanding as of  Weighted
Average
      
   August 31,  Exercise  Date of   
Description  2019  2018  Price  Issuance  Expiration
Series M   246,000    246,000   $2.34   December 7, 2015  December 31, 2022
Series N   767,000    767,000   $3.38   December 31, 2015  December 31, 2022
Series P   213,500    213,500   $3.70   March 25, 2016  December 31, 2022
Series R   468,750    468,750   $4.00   June 20, 2016  December 31, 2022
Series S-A   300,000    300,000   $2.53   July 24, 2017  December 31, 2022
Series S   821,600    821,600   $3.42   September 29, 2017  September 29, 2022
Series T   16,666,667    -   $1.70   November 26, 2018  November 26, 2025
Total   19,483,517    2,816,850