Note 14 - Other Operating Expense, Net - Schedule of Other Operating Expenses (Details) (Parentheticals) - Operating Segments [Member] |
12 Months Ended | ||
|---|---|---|---|
Jul. 31, 2026 |
Jul. 31, 2025 |
Jul. 31, 2024 |
|
| Fintech [Member] | |||
| Intangible Asset, Excluding Goodwill, Impairment Loss, Statement of Income or Comprehensive Income [Extensible Enumeration] | Other Operating Income (Expense), Net | Other Operating Income (Expense), Net | Other Operating Income (Expense), Net |
| Net2phone [Member] | |||
| Long-Lived Asset, Held and Used, Impairment Loss, Statement of Income or Comprehensive Income [Extensible Enumeration] | Other Operating Income (Expense), Net | Other Operating Income (Expense), Net | Other Operating Income (Expense), Net |
| Traditional Communications [Member] | |||
| Long-Lived Asset, Held and Used, Impairment Loss, Statement of Income or Comprehensive Income [Extensible Enumeration] | Other Operating Income (Expense), Net | Other Operating Income (Expense), Net | Other Operating Income (Expense), Net |