Convertible Preferred Stock (Details) - USD ($)						3 Months Ended		12 Months Ended
	Oct. 17, 2024	Jun. 17, 2024	Jan. 22, 2024	Dec. 13, 2023	Oct. 19, 2021	Oct. 31, 2024	Oct. 31, 2023	Jul. 31, 2024	Jul. 31, 2023
Class of Stock [Line Items]
Series A convertible preferred stock, shares authorized (in shares)						175,264		171,827
Series A convertible preferred stock, par value per share (in dollars per share)						$ 0.10		$ 0.10
Convertible preferred stock, aggregate purchase price						$ 93,479,000
Issuance of convertible preferred stock (at fair value), excluding embedded derivatives reported in Other liabilities				100,000	100,000	175,264
Warrant liability						$ 3,063,000		$ 710,000
Warrant liability, non-cash expense						2,353,000
Initial estimated fair value and carrying value of combined embedded derivatives	$ 38,832,000
Less: Carrying value of combined embedded derivatives at October 31, 2024						39,114,000
Convertible preferred stock, embedded derivatives, non-cash expense						$ 282,000
Preferred stock, par value (in dollars per share)						$ 0.10		$ 0.10
Shares issued upon conversion (in shares)			115,721.22
Expense reimbursement			$ 1,800,000
Warrant, term						5 years 6 months
Current redemption value						$ 148,700,000		$ 180,076,000
Convertible preferred stock, accrued dividends						$ 655,000		$ 1,341,000
Temporary equity, shares outstanding (in shares)						175,264	100,000	171,827	100,000
Redemption value of Series B-2 Convertible Preferred Stock at October 31, 2024						$ 187,814,000	$ 180,076,000
Adjustment to reflect redemption value of convertible preferred stock (including accrued dividends)						(58,634,000)	$ 1,823,000
Convertible Preferred Stock
Class of Stock [Line Items]
Liquidation preference per share (in dollars per share)	$ 7.99
Series A convertible preferred stock, shares authorized (in shares)	50,000,000
Series A convertible preferred stock, par value per share (in dollars per share)					$ 0.10
Dividend rate, in cash	7.75%
Dividend rate	6.50%
Preferred stock redemption rate	50.00%
Stock price change period	30 days
Disposition of business, maximum fair value	$ 75,000,000
Disposition of business, maximum fair value, ca satisfaction	$ 20,000,000
Convertible Preferred Stock | IPO
Class of Stock [Line Items]
Convertible preferred stock, aggregate purchase price					$ 100,000,000
Series B Preferred Stock
Class of Stock [Line Items]
Conversion rate	150.00%
Shares issued and sold (in shares)			45,000
Preferred stock, par value (in dollars per share)			$ 0.10
Shares issued during period, value			$ 45,000,000
Shares issued, price per shares (usd per share)			$ 1,000
Shares, issued (in shares)			5,400
Proceeds from issuance of convertible preferred stock			$ 43,200,000
Dividend rate, percent	9.00%
Liquidation rate	100.00%
Temporary equity, shares outstanding (in shares)		166,121.22
Series A-1 Convertible Preferred Stock
Class of Stock [Line Items]
Series A convertible preferred stock, par value per share (in dollars per share)				$ 0.10
Issuance of convertible preferred stock (at fair value), excluding embedded derivatives reported in Other liabilities			100,000	100,000
Liquidation preference per share (usd per share)				$ 1,134.2
Series B-1 Convertible Preferred Stock
Class of Stock [Line Items]
Series A convertible preferred stock, par value per share (in dollars per share)		$ 0.10
Issuance of convertible preferred stock (at fair value), excluding embedded derivatives reported in Other liabilities		5,705.83
Temporary equity, stock issued during period, shares, exchanged (in shares)	171,827.05	166,121.22
Temporary equity, liquidation preference	$ 1,067.87	$ 1,036.58
Series B-2 Convertible Preferred Stock
Class of Stock [Line Items]
Issuance of convertible preferred stock (at fair value), excluding embedded derivatives reported in Other liabilities	3,436.53
Preferred stock, convertible, conversion price (in dollars per share)	$ 0.10
Convertible preferred stock, accrued dividends						655,000
Temporary equity, stock issued during period, shares, exchanged (in shares)	171,827.05
Initial estimated fair value of Series B-2 Convertible Preferred Stock	$ 132,310,000
Redemption value of Series B-2 Convertible Preferred Stock at October 31, 2024						$ 187,814,000