Operating Leases - Schedule of Lease-Related Assets and Liabilities for Leases Recorded on the Consolidated Balance Sheets (Details) - USD ($) $ in Thousands	Jul. 31, 2026	Jul. 31, 2025
Other assets [Member]
Operating leases:
Operating Lease Assets	$ 226	$ 64
Accrued expenses and other current liabilities [Member]
Operating leases:
Operating lease liabilities	153	144
Other liabilities [Member]
Operating leases:
Operating lease liabilities	126	53
Total operating lease liabilities [Member]
Operating leases:
Operating lease liabilities	$ 279	$ 196