EARNINGS PER SHARE - Reconciliation of (Loss) Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jan. 31, 2024	Jan. 31, 2023	Jan. 31, 2024	Jan. 31, 2023
Class of Stock [Line Items]
Net income (loss)	$ 5,346	$ (526)	$ 9,782	$ 4,431
Less: Preferred dividends on Series C redeemable preferred stock	537	537	1,073	1,074
Net income (loss) available to common stockholders	4,809	(1,063)	8,709	3,357
Less: Undistributed earnings allocated to participating securities	(3,661)	0	(6,632)	0
Net income (loss) attributable to common stockholders	1,148	(1,063)	2,077	3,357
Dividends on Series C preferred stock	0	0	0	0
Undistributed earnings allocated to Series E preferred stock	3,661	0	6,632	0
Net income (loss) attributable to common stockholders - assuming dilution	$ 4,809	$ (1,063)	$ 8,709	$ 3,357
Net income (loss) per common share - basic (in usd per share)	$ 0.18	$ (0.16)	$ 0.33	$ 0.52
Net income (loss) per common share - diluted (in usd per share)	$ 0.18	$ (0.16)	$ 0.33	$ 0.52
Weighted-average number of common shares outstanding - basic (in shares)	6,211	6,448	6,205	6,442
Common stock equivalents - Restricted stock and restricted stock shares (in shares)	62	0	60	54
Weighted average common shares outstanding, diluted (in shares)	26,083	6,448	26,075	6,496
Series C Preferred Stock
Class of Stock [Line Items]
Less: Preferred dividends on Series C redeemable preferred stock				$ 1,100
Common stock equivalents - Preferred stock (in shares)	0	0	0	0
Series E Preferred Stock
Class of Stock [Line Items]
Common stock equivalents - Preferred stock (in shares)	19,810	0	19,810	0