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Note 4 - Anfield Debt Settlement and Property Swap (Tables)
12 Months Ended
Jul. 31, 2022
Notes Tables  
Fair Value Measurement Inputs and Valuation Techniques [Table Text Block]
     

Expected Risk Free Interest Rate

  2.93%

Annual Volatility

  64.94%

Life in Years

  4.94 

Expected Annual Dividend Yield

  0%