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EMPLOYEE BENEFIT PLANS (Details) - USD ($)	3 Months Ended		9 Months Ended
	Jan. 31, 2026	Jan. 31, 2025	Jan. 31, 2026	Jan. 31, 2025	Apr. 30, 2025
EMPLOYEE BENEFIT PLANS (Details) [Line Items]
Stock Issued During Period, Shares, Employee Benefit Plan (in Shares)	7,442	7,850	26,615	51,884
Deferred Compensation Arrangement with Individual, Compensation Expense	$ 131,000	$ 142,000	$ 396,000	$ 425,000
Assets, Fair Value Disclosure	7,300,000		7,300,000		$ 7,000,000
Interest Expense [Member]
EMPLOYEE BENEFIT PLANS (Details) [Line Items]
Deferred Compensation Arrangement with Individual, Compensation Expense	21,000	26,000	67,000	79,000
Deferred Compensation Arrangement with Individual, Distribution Paid	180,000	$ 183,000	546,000	$ 541,000
UNITED STATES | Fair Value, Inputs, Level 1 [Member]
EMPLOYEE BENEFIT PLANS (Details) [Line Items]
Assets, Fair Value Disclosure	3,900,000		3,900,000		3,500,000
UNITED STATES | Fair Value, Inputs, Level 2 [Member]
EMPLOYEE BENEFIT PLANS (Details) [Line Items]
Assets, Fair Value Disclosure	$ 500,000		$ 500,000		$ 400,000

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Fair value portion of asset recognized for present right to economic benefit.

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