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Stockholders' Equity (Tables)
 9 Months Ended
May 31, 2022
Equity [Abstract]  
Schedule of Stockholders' Equity Note, Warrants or Rights
The following table summarizes the changes in the Company’s common stock and Prefunded  Warrants from August 31, 2021 to May 31, 2022.
 Number
of
shares		Weighted
average
remaining
life
(years)		Weighted
average
exercise
price
Warrants outstanding, August 31, 20219,592,085 4.7$3.87 
Issued22,470,104 3.81.58 
(Cancelled)— — — 
(Exercised)(9,621,964)2.20.6 
Warrants outstanding, May 31, 202222,440,225 4.52.35 
Warrants exercisable, May 31, 202212,167,143 3.9$1.32 
The following table summarizes the Company’s warrants outstanding as of May 31, 2022:
 Warrants
Outstanding		Weighted average
Life of
Outstanding
Warrants
in years		Exercise
price
Jan 2022 Common Warrants(1)
9,896,906 5.2$1.55 
Sep 2021 Common Warrants7,523,511 4.31.60 
Sep 2021Underwriter Warrants (2)
376,176 4.31.75 
May 2021Underwriter Warrants247,423 4.02.43 
October 2020 Common Warrants2,300,000 3.43.30 
October 2020 Underwriter Warrants200,000 3.43.30 
May 2020 Common Warrants1,277,580 3.05.40 
May 2020 Underwriter Warrants111,108 3.05.40 
March 2020 Exchange Warrants423,669 3.310.17 
Amended March 2019 Warrants66,288 1.840.00 
March 2019 Services Warrants3,366 1.870.00 
June 2018 Warrants6,276 1.540.00 
June 2018 Services Warrants5,422 1.599.60 
2017 PIPE Warrants2,500 0.2276.00 
 22,440,225 4.5$2.35 
(1)The January 2022 Common Warrants are exercisable commencing on July 28, 2022 and terminate on July 28, 2027.
(2)The September 2021 Placement Agent Warrants become exercisable six months from issuance and expire four years from the effective date (which has not yet occurred) of the registration statement covering the resale of the underlying shares.