INCOME TAXES - Components of Deferred Tax Assets and Liabilities (Detail) - USD ($) $ in Thousands	Jul. 31, 2024	Jul. 31, 2023
Deferred tax assets:
Accruals and reserves	$ 2,667	$ 2,645
Tax basis in excess of financial basis for intangible and fixed assets	166	175
Lease liability	3,031	3,574
Convertible debt	25	0
Research and experiment	43	0
Interest expense disallowance	0	0
Credit carry forwards	25	25
Net operating loss and capital loss carry forwards	85,157	95,832
Total gross deferred tax assets	91,114	102,251
Less: valuation allowance	(12,721)	(90,436)
Net deferred tax assets	78,393	11,815
Deferred tax liabilities:
Financial basis in excess of tax basis for intangible and fixed assets	(7,262)	(8,446)
Right-of-use asset	(2,838)	(3,454)
Prepaid expenses	(322)	0
Convertible debt	0	(404)
Total gross deferred tax liabilities	(10,422)	(12,304)
Net deferred tax assets	$ 67,971
Net deferred tax liabilities		$ (489)