SHARE-BASED PAYMENTS - Additional Information (Detail) - USD ($) $ in Millions		3 Months Ended	9 Months Ended	12 Months Ended
	Dec. 15, 2017	Jul. 31, 2023	Apr. 30, 2023	Jul. 31, 2023	Jul. 31, 2022	Jul. 31, 2020	Jul. 23, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock, shares outstanding (in shares)		6,250,493		6,250,493	6,485,309
Grant date fair value of nonvested stock		$ 0.8		$ 0.8	$ 0.6
Unrecognized compensation cost related to nonvested stock		0.3		$ 0.3
Selling, general and administrative
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense		$ 0.2	$ 0.5		$ 0.7
ESPP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock shares available for future issuance (in shares)		8,284		8,284
Number of shares pursuant to stock options granted (in shares)				64,286
Common stock purchase price as a percentage of market value (in percentage)				85.00%
Shares issued under plan (in shares)					53
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Non vested stock compensation expense				$ 0.8	$ 0.7
Weighted average period of cost expected to be expensed (in years)				8 months 12 days
Restricted Stock | Nonemployee Director | Reith v. Lichtenstein
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of vested shares surrendered	2,900,000
Number of nonvested shares surrendered	500,000
Minimum | Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Term of restriction period (in years)				1 year
Maximum | Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Term of restriction period (in years)				5 years
2020 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares available for grant							529,821
Common stock shares available for future issuance (in shares)		808,285		808,285
2010 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock shares available for future issuance (in shares)							393,015
Common stock, shares outstanding (in shares)							113,627
2010 Plan | Restricted Stock and Market Performance Based Restricted Stock, Total | Director
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock award granted (in shares)	5,500,000
2010 Plan | Restricted Stock | Director
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock award granted (in shares)	4,000,000
Restricted stock award vested (in shares)	4,000,000
2010 Plan | Market Performance Based Restricted Stock | Director
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock award granted (in shares)	1,500,000
Restricted stock award vested (in shares)						1,000,000