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STOCKHOLDERS' EQUITY (Summary of Stock Option Activity) (Details) - $ / shares
shares in Thousands
9 Months Ended
Feb. 28, 2023
Nov. 30, 2023
Number of Options    
Outstanding, beginning balance   506
Forfeited or expired   (506)
Outstanding, ending balance 506  
Weighted Average Exercise Price    
Outstanding, beginning balance   $ 16.02
Forfeited or expired   $ (16.02)
Outstanding, ending balance $ 16.02  
Weighted average remaining contractual life, Outstanding 4 years