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Schedule of Continuous Unrealized Loss Position for 12 Months or Longer (Details) - USD ($)
$ in Thousands
Oct. 31, 2024
Jul. 31, 2024
Unrealized Losses $ 317 $ 367
Fair Value 5,414 8,036
US Treasury Bill Securities [Member]    
Unrealized Losses 42 60
Fair Value 2,306 4,827
Corporate Bond Securities [Member]    
Unrealized Losses 275 307
Fair Value $ 3,108 $ 3,209