EARNINGS PER SHARE - Schedule of Reconciliation of (Loss) Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Oct. 31, 2024	Oct. 31, 2023
Class of Stock [Line Items]
Net income	$ 2,365	$ 4,436
Less: Preferred dividends on Series C redeemable preferred stock	(537)	(536)
Net income attributable to common stockholders	1,828	3,900
Less: Undistributed earnings allocated to participating securities	(1,389)	(2,970)
Net income attributable to common stockholders	439	930
Undistributed earnings allocated to Series E preferred stock	1,389	2,970
Net income attributable to common stockholders - assuming dilution	$ 1,828	$ 3,900
Net income per common share - basic (in usd per share)	$ 0.07	$ 0.15
Net income per common share - diluted (in usd per share)	$ 0.07	$ 0.15
Weighted-average number of common shares outstanding - basic (in shares)	6,256	6,199
Common stock equivalents - Restricted stock and restricted stock shares (in shares)	38	57
Weighted average common shares outstanding, diluted (in shares)	26,104	26,066
Series E Preferred Stock
Class of Stock [Line Items]
Common stock equivalents - Series E Preferred stock (in shares)	19,810	19,810