Note 17 - Commitments and Contingencies	9 Months Ended
Apr. 30, 2026
Notes to Financial Statements
Commitments and Contingencies Disclosure [Text Block]	Note 17—Commitments and Contingencies Legal Proceedings As disclosed in the 2025 Form 10-K, the Company and other parties were named in a putative class action and derivative complaint related to Straight Path Communications Inc. filed in the Court of Chancery of the State of Delaware. The Court dismissed all claims against the Company, and found that, contrary to the plaintiffs’ allegations, the class suffered no damages. The plaintiffs filed an appeal to which the Company answered. Oral argument was held on October 22, 2025, and on December 3, 2025, the Delaware Supreme Court affirmed the favorable decision of the Court of Chancery that dismissed all claims against the Company and found that Plaintiff and the class suffered no damages. In addition to the foregoing, the Company is subject to other legal proceedings that have arisen in the ordinary course of business and have not been finally adjudicated. Although there can be no assurance in this regard, the Company believes that none of the other legal proceedings to which the Company is a party will have a material adverse effect on the Company’s results of operations, cash flows, or financial condition. Sales Tax Contingency On June 21, 2018, the United States Supreme Court rendered a decision in South Dakota v. Wayfair, Inc., holding that a state may require a remote seller with no physical presence in the state to collect and remit sales tax on goods and services provided to purchasers in the state, overturning certain existing court precedent. It is possible that one or more jurisdictions may assert that the Company has liability for periods for which it has not collected sales, use or other similar taxes, and if such an assertion or assertions were successful it could materially and adversely affect the Company’s business, financial position, and operating results. One or more jurisdictions may change their laws or policies to apply their sales, use or other similar taxes to the Company’s operations, and if such changes were made it could materially and adversely affect the Company’s business, financial position, and operating results. Purchase Commitments At April 30, 2026, the Company had purchase commitments of $11.5 million primarily for equipment and services. Performance Bonds The Company has performance bonds issued through third parties for the benefit of various states in order to comply with the states’ financial requirements for money remittance licenses and telecommunications resellers. At April 30, 2026 and July 31, 2025, the Company had aggregate performance bonds outstanding of $24.6 million and $33.8 million, respectively.

Note 17 - Commitments and Contingencies

9 Months Ended

Apr. 30, 2026

Commitments and Contingencies Disclosure [Text Block]

Note 17—Commitments and Contingencies

Legal Proceedings

As disclosed in the 2025 Form 10-K, the Company and other parties were named in a putative class action and derivative complaint related to Straight Path Communications Inc. filed in the Court of Chancery of the State of Delaware. The Court dismissed all claims against the Company, and found that, contrary to the plaintiffs’ allegations, the class suffered no damages. The plaintiffs filed an appeal to which the Company answered. Oral argument was held on October 22, 2025, and on December 3, 2025, the Delaware Supreme Court affirmed the favorable decision of the Court of Chancery that dismissed all claims against the Company and found that Plaintiff and the class suffered no damages.

In addition to the foregoing, the Company is subject to other legal proceedings that have arisen in the ordinary course of business and have not been finally adjudicated. Although there can be no assurance in this regard, the Company believes that none of the other legal proceedings to which the Company is a party will have a material adverse effect on the Company’s results of operations, cash flows, or financial condition.

Sales Tax Contingency

On June 21, 2018, the United States Supreme Court rendered a decision in South Dakota v. Wayfair, Inc., holding that a state may require a remote seller with no physical presence in the state to collect and remit sales tax on goods and services provided to purchasers in the state, overturning certain existing court precedent. It is possible that one or more jurisdictions may assert that the Company has liability for periods for which it has not collected sales, use or other similar taxes, and if such an assertion or assertions were successful it could materially and adversely affect the Company’s business, financial position, and operating results. One or more jurisdictions may change their laws or policies to apply their sales, use or other similar taxes to the Company’s operations, and if such changes were made it could materially and adversely affect the Company’s business, financial position, and operating results.

Purchase Commitments

At April 30, 2026, the Company had purchase commitments of $11.5 million primarily for equipment and services.

Performance Bonds

The Company has performance bonds issued through third parties for the benefit of various states in order to comply with the states’ financial requirements for money remittance licenses and telecommunications resellers. At April 30, 2026 and July 31, 2025, the Company had aggregate performance bonds outstanding of $24.6 million and $33.8 million, respectively.