EARNINGS PER SHARE - Reconciliation of (Loss) Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Oct. 31, 2023	Oct. 31, 2022
Class of Stock [Line Items]
Net income	$ 4,436	$ 4,957
Less: Preferred dividends on Series C redeemable preferred stock	(536)	(537)
Net income attributable to common stockholders	3,900	4,420
Less: Undistributed earnings allocated to participating securities	(2,970)	0
Net income attributable to common stockholders	930	4,420
Dividends on Series C preferred stock	0	537
Undistributed earnings allocated to Series E preferred stock	2,970	0
Net income attributable to common stockholders - assuming dilution	$ 3,900	$ 4,957
Net income per common share - basic (in usd per share)	$ 0.15	$ 0.69
Net income per common share - diluted (in usd per share)	$ 0.15	$ 0.59
Weighted-average number of common shares outstanding - basic (in shares)	6,199	6,434
Common stock equivalents - Restricted stock and restricted stock shares (in shares)	57	56
Weighted average common shares outstanding, diluted (in shares)	26,066	8,403
Series C Preferred Stock
Class of Stock [Line Items]
Common stock equivalents - Preferred stock (in shares)	0	1,913
Series E Preferred Stock
Class of Stock [Line Items]
Common stock equivalents - Preferred stock (in shares)	19,810	0