INCOME TAXES (Details 4) - USD ($) $ in Thousands	12 Months Ended
May 31, 2024	May 31, 2023	May 31, 2022
INCOME TAXES
Unrecognized tax benefit, beginning	$ 2,276	$ 2,018	$ 1,928
Increases related to prior year tax positions	35	90	12
Decreases related to prior year tax positions	(28)
Increases related to current year tax positions	233	168	78
Decreases related to current year tax positions	(32)
Unrecognized tax benefit, ending	$ 2,484	$ 2,276	$ 2,018

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Amount of unrecognized tax benefits.

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Amount of decrease in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

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Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

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