EMPLOYEE BENEFIT PLANS (Details) - USD ($)	3 Months Ended		9 Months Ended
	Jan. 31, 2024	Jan. 31, 2023	Jan. 31, 2024	Jan. 31, 2023
EMPLOYEE BENEFIT PLANS (Details) [Line Items]
Stock Issued During Period, Shares, Employee Benefit Plan (in Shares)	5,364	7,597	35,262	42,937
Deferred Compensation Arrangement with Individual, Compensation Expense	$ 109,000	$ 110,000	$ 325,000	$ 329,000
Deferred Compensation Arrangement with Individual, Distribution Paid	175,000	159,000	536,000	479,000
Interest Expense [Member]
EMPLOYEE BENEFIT PLANS (Details) [Line Items]
Deferred Compensation Arrangement with Individual, Compensation Expense	$ 28,000	$ 18,000	$ 88,000	$ 54,000