General (Details)	3 Months Ended		9 Months Ended		12 Months Ended
	Apr. 30, 2025 USD ($)	Apr. 30, 2024 USD ($)	Apr. 30, 2025 USD ($)	Apr. 30, 2024 USD ($)	Jul. 31, 2024 USD ($)	Jul. 31, 2023 USD ($)	Jul. 31, 2022 USD ($)	Oct. 31, 2025 USD ($)	Jun. 06, 2025 USD ($)	Mar. 03, 2025 USD ($)	Jan. 31, 2025 USD ($)	Oct. 17, 2024 USD ($)	Jun. 17, 2024 USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Operating Income (Loss)	$ (1,532,000)	$ (3,470,000)	$ (140,959,000)	$ 1,589,000	$ (79,890,000)	$ (14,660,000)	$ (33,752,000)
Net cash used in operating activities			19,739,000	44,998,000	54,495,000	$ 4,433,000	$ (1,997,000)
Net loss	(33,934,000)	(2,795,000)	163,212,000	9,200,000
Cash and cash equivalents	28,434,000		28,434,000		32,433,000
Transition costs	(805,000)	(2,492,000)	(1,072,000)	(2,492,000)
Proxy solicitation costs	0	$ 0	2,682,000	$ 0
Subsequent Event
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Assets Available for Liquidity									$ 27,258,000
Credit Facility
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Line of credit facility, term										90 days		90 days
Long-term debt	148,882,000		$ 148,882,000		177,577,000
Debt instruments, covenant, net leverage ratio, maximum			3.15
Minimum interest expense coverage ratio			1.25
Minimum liquidity											$ 35,000,000
Credit Facility | Subsequent Event
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Minimum liquidity								$ 17,500,000
Credit Facility | Revolving Loan Facility
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Line of credit facility, maximum borrowing capacity										$ 29,321,000	$ 32,500,000	$ 27,500,000
Long-term debt	23,416,000		$ 23,416,000		$ 32,500,000
Credit Facility | Term Loan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Long-term line of credit	168,008,000		168,008,000
Credit Facility | Unsecured Debt
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Line of credit facility, maximum borrowing capacity										$ 40,000,000		$ 25,000,000
Credit Facility | Unsecured Debt | Subsequent Event
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Line of credit facility, maximum borrowing capacity									$ 65,000,000
Credit Facility | Line of Credit
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Minimum liquidity	$ 20,000,000		$ 20,000,000
Credit Facility | Line of Credit | Base Rate
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Debt instrument, interest rate, stated percentage	9.50%		9.50%							12.00%		12.00%
Credit Facility | Line of Credit | Secured Overnight Financing Rate (SOFR)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Debt instrument, interest rate, stated percentage	10.50%		10.50%							13.00%		13.00%
Credit Facility | Line of Credit | Revolving Loan Facility
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Borrowings under credit facility										$ 56,821,000			$ 56,821,000
Credit Facility | Line of Credit | Term Loan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Borrowings under credit facility										$ 162,000,000