Property and Equipment - Schedule of Property and Equipment (Details) - USD ($) $ in Thousands	Jul. 31, 2025	Jul. 31, 2024
Schedule of Property and Equipment [Line Items]
Property and equipment, gross	$ 2,608	$ 3,138
Less accumulated depreciation and amortization	(1,012)	(1,018)
Total	1,596	2,120
Building and improvements [Member]
Schedule of Property and Equipment [Line Items]
Property and equipment, gross	2,505	2,505
Machinery and equipment [Member]
Schedule of Property and Equipment [Line Items]
Property and equipment, gross	22	552
Other [Member]
Schedule of Property and Equipment [Line Items]
Property and equipment, gross	$ 81	$ 81