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Warrants | 3 Months Ended
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Jul. 31, 2023
Warrants |
Warrants | (11) Warrants Equity Classified Warrants The underwritten public offering from April 2019 included the issuance of common stock warrants to purchase up to 4,927,680 shares of common stock that have an exercise price of $3.85 per share and expire five years from the issuance date. As of July 31, 2023, common warrants to purchase 732,500 shares of the common stock had been exercised.

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