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

No definition available.

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- Definition

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).

+ References

No definition available.

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- Definition

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.

+ References

No definition available.

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
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-Publisher FASB
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- Definition

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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- Definition

Amount, after tax and reclassification adjustment, of (increase) decrease in accumulated other comprehensive income for defined benefit plan.

+ References

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- Definition

Amount of noncash expense for share-based payment arrangement.

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- Definition

Gross number of share options (or share units) granted during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
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- Definition

Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

+ References

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- Definition

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

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-Paragraph 28
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BENEFIT PLANS - Additional information (Details) - USD ($)	1 Months Ended	3 Months Ended		6 Months Ended
	Nov. 30, 2021	Oct. 31, 2023	Oct. 31, 2022	Oct. 31, 2023	Oct. 31, 2022
BENEFIT PLANS
Decrease in pension liability, net of tax		$ 0	$ 77,000	$ 0	$ 143,000
Stock-based compensation				173,000	87,000
Board of Directors Chairman
BENEFIT PLANS
Director compensation non-cash expense		23,000	23,000	45,000	45,000
Accrued compensation expense related to the deferred stock units				75,000	75,000
Equity plan \| President and Chief executive officer
BENEFIT PLANS
Stock option issued during the year	50,000
Exercise price	$ 14.24
2016 Equity Plan \| Board of Directors Chairman
BENEFIT PLANS
Non cash compensation expense		13,000	12,000	25,000	25,000
Restricted stock \| Equity plan
BENEFIT PLANS
Stock-based compensation		42,000	$ 51,000	103,000	$ 87,000
Unrecognized compensation expense related to restricted shares		$ 242,000		$ 242,000
Weighted-average remaining vesting period				3 years