The total non-cash director fee compensation related to the deferred common share units.

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Amount of expense recognized from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments), awarded to key employees or individuals. Excludes amount related to plans that cover generally all employees (for example, but not limited to, qualified pension plans).

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Amount of contribution received by defined benefit plan from employer which increases plan assets.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of discretionary contributions made by an employer to a defined contribution plan.

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Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of noncash expense for share-based payment arrangement.

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Amount of noncash expense for option under share-based payment arrangement.

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BENEFIT PLANS - Additional information (Details) - USD ($)	1 Months Ended	3 Months Ended
	Nov. 30, 2021	Jul. 31, 2024	Jul. 31, 2023
BENEFIT PLANS
Stock-based compensation		$ 89,000	$ 48,000
Weighted-average remaining vesting period		3 years
Employer contribution		$ 41,000
Simple internal revenue code retirement plan
BENEFIT PLANS
Company contributions			20,000
Board of Directors Chairman
BENEFIT PLANS
Director compensation non-cash expense		23,000	23,000
Accrued compensation expense related to the deferred stock units		53,000	53,000
Equity plan \| President and Chief executive officer
BENEFIT PLANS
Stock option issued during the year	50,000
2016 Equity Plan \| Board of Directors Chairman
BENEFIT PLANS
Non cash compensation expense		13,000	12,000
Restricted stock \| Equity plan
BENEFIT PLANS
Stock-based compensation		$ 53,000	36,000
Unrecognized compensation expense related to restricted shares			$ 482,000