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Note 11 - Derivative Liabilities (Tables)
6 Months Ended
Jan. 31, 2025
Notes Tables  
Schedule of Derivative Instruments [Table Text Block]

Balance, July 31, 2024

 $3,030 

Exercise of Replacement Warrants

  (1,324)

Change in fair value during the period

  (1,706)

Balance, January 31, 2025

 $-