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RELATED PARTY TRANSACTIONS - Additional Information (Detail) $ in Thousands, shares in Millions			3 Months Ended		9 Months Ended		12 Months Ended
	Apr. 30, 2023 corporateEntity	Mar. 09, 2023 USD ($)	Jul. 31, 2023 USD ($)	Jul. 31, 2023 USD ($)	Apr. 30, 2023 USD ($) corporateEntity	Apr. 30, 2022 USD ($)	Jul. 31, 2023 USD ($) shares	Jul. 31, 2022 USD ($)	May 01, 2023 director	Feb. 28, 2019 USD ($)
Related Party Transaction [Line Items]
Total debt, net			$ 12,461	$ 12,461			$ 12,461	$ 10,968
Accretion of debt discount				265			$ 2,588	3,120
Redeemable preferred stock dividends			537	537	$ 1,593			2,129
Ownership percentage, prior approval of equity securities, threshold percentage	49.60%				49.60%
Series E Contingently Redeemable Preferred Stock \| Steel Partners Group
Related Party Transaction [Line Items]
Conversion of stock, shares converted (in shares) \| shares							3.5
Stockholders' Agreement
Related Party Transaction [Line Items]
Board of directors, number of directors \| director									7
Litigation settlement, proceeds required to be distributed to stockholders, percentage	70.00%
Ownership percentage, prior approval of equity securities, threshold percentage	100.00%				100.00%
Management Services Agreement \| SP Corporate Services Llc and Steel Services Limited
Related Party Transaction [Line Items]
Other receivables, net, current			700	700			$ 700	1,000
SPHG Holdings \| Purchase Agreement \| Series C Convertible Preferred Stock
Related Party Transaction [Line Items]
Redeemable preferred stock dividends							2,100	2,100
7.50% Convertible Senior Note due September 1, 2024 \| Steel Holdings
Related Party Transaction [Line Items]
Principal amount of note										$ 14,900
7.50% Convertible Senior Note due September 1, 2024 \| SPHG Holdings
Related Party Transaction [Line Items]
Principal amount of note			12,900	12,900			12,900	14,940
Debt instrument stated percentage										7.50%
Debt instrument, repaid, principal		$ 1,000
Debt instrument, periodic payment, principal		1,000
Long-term debt, cash amendment fee amount		100
Long-term debt, derecognized debt discount amount		$ 200
Total debt, net			$ 12,500	$ 12,500			12,500	11,047
Accretion of debt discount						$ 2,500	$ 300	$ 2,800
Convertible Senior Unsecured Note \| SPHG Holdings
Related Party Transaction [Line Items]
Debt instrument stated percentage										7.50%
SPHG Holdings, Steel Holdings, HNH And SPL \| 5.25% Convertible Senior Notes \| Steel Holdings
Related Party Transaction [Line Items]
Equity method investment, ownership percentage			85.90%	85.90%			85.90%
Steel Connect, Inc. \| Steel Connect, Inc.
Related Party Transaction [Line Items]
Equity method investment, ownership percentage	50.00%				50.00%
Steel Connect, Inc. \| SP Group \| Stockholders' Agreement \| Steel Connect, Inc.
Related Party Transaction [Line Items]
Ownership percentage, prior approval required for transfer of equity interests, threshold percentage	80.00%				80.00%
Number of corporate entity \| corporateEntity	1				1