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Stock Plans (Detail Textuals) - USD ($) $ in Millions	Aug. 31, 2019	May 31, 2019
New Stock Repurchase Program | Common Stock
Equity Class Of Treasury Stock [Line Items]
Stock repurchase program, authorized amount	$ 1.0	$ 8.0

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- Definition

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- Definition

Amount of stock repurchase plan authorized.

+ References

No definition available.

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