INCOME TAXES - Components of Deferred Tax Assets and Liabilities (Detail) - USD ($) $ in Thousands	Jul. 31, 2023	Jul. 31, 2022
Deferred tax assets:
Accruals and reserves	$ 2,645	$ 4,295
Tax basis in excess of financial basis for intangible and fixed assets	175	901
Lease liability	3,574	2,288
Interest expense disallowance	0	2,357
Credit carry forwards	25	25
Net operating loss and capital loss carry forwards	95,832	474,496
Total gross deferred tax assets	102,251	484,362
Less: valuation allowance	(90,436)	(481,178)
Net deferred tax assets	11,815	3,184
Deferred tax liabilities:
Financial basis in excess of tax basis for intangible and fixed assets	(8,446)	(69)
Right of use asset	(3,454)	(2,154)
Convertible debt	(404)	(917)
Total gross deferred tax liabilities	(12,304)	(3,140)
Net deferred tax liabilities	$ (489)
Net deferred tax assets		$ 44