Stock-Based Compensation (Details) - USD ($)	3 Months Ended
Oct. 31, 2025	Oct. 31, 2024
Stock-Based Compensation [Line Items]
Award options service period	4 years
Restricted stock units period	3 years
Unrecognized compensation expense	$ 104,000	$ 379,000
Class B Common Stock [Member]
Stock-Based Compensation [Line Items]
Employees tax withholdings obligations	13,000	$ 22,000
Unvested Stock Option [Member]
Stock-Based Compensation [Line Items]
Unrecognized stock-based compensation expense	213,000
Unvested DSUs [Member]
Stock-Based Compensation [Line Items]
Unrecognized stock-based compensation expense	125,000
Unvested Restricted Stock [Member]
Stock-Based Compensation [Line Items]
Unrecognized stock-based compensation expense	$ 158,000
Deferred Stock Units [Member] \| Class B Common Stock [Member]
Stock-Based Compensation [Line Items]
Awards of restricted stock (in Shares)	30,000	119,000
Shares purchased (in Shares)	4,312	6,903
Equity Option [Member]
Stock-Based Compensation [Line Items]
Number of option, grants (in Shares)	13,750	5,000
Unrecognized compensation expense	$ 32,000	$ 11,000

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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