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CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares
Aug. 31, 2021
May 31, 2021
CONDENSED CONSOLIDATED BALANCE SHEETS    
Common stock, par value $ 0.01 $ 0.01
Common stock, shares authorized (in thousands) 75,000,000 75,000,000
Common stock, shares issued (in thousands) 24,483,000 24,483,000
Common stock, shares outstanding (in thousands) 23,725,000 23,725,000