Description of Business and Summary of Significant Accounting Policies (Details) - Schedule of Weighted-Average Number of Shares Used in the Calculation of Basic and Diluted Earnings Per Share - shares shares in Thousands	12 Months Ended
	Jul. 31, 2023	Jul. 31, 2022
Description of Business and Summary of Significant Accounting Policies [Abstract]
Basic weighted-average number of shares	14,096	14,177
Effect of dilutive securities:
Stock options		570
Non-vested restricted Class B common stock		97
Deferred stock units		18
Diluted weighted-average number of shares	14,096	14,862