CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Accumulated Earnings	Accumulated Other Comprehensive Loss
Beginning balance (in shares) at Jul. 31, 2023		6,250,493
Beginning balance at Jul. 31, 2023	$ 68,624	$ 65	$ 61,534	$ 7,612	$ (587)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	4,436			4,436
Preferred dividends	(536)			(536)
Restricted stock grants (in shares)		16,737
Share-based compensation	137		137
Other comprehensive items	(996)				(996)
Ending balance (in shares) at Oct. 31, 2023		6,267,230
Ending balance at Oct. 31, 2023	$ 71,665	$ 65	61,671	11,512	(1,583)
Beginning balance (in shares) at Jul. 31, 2024	6,319,513	6,319,513
Beginning balance at Jul. 31, 2024	$ 154,181	$ 65	62,166	93,457	(1,507)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	2,365			2,365
Preferred dividends	(537)			(537)
Restricted stock grants (in shares)		16,128
Share-based compensation	181		181
Other comprehensive items	$ 383				383
Ending balance (in shares) at Oct. 31, 2024	6,335,641	6,335,641
Ending balance at Oct. 31, 2024	$ 156,573	$ 65	$ 62,347	$ 95,285	$ (1,124)