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Insider Trading Arrangements
 3 Months Ended 9 Months Ended
Oct. 31, 2023
shares
Oct. 31, 2023
shares
Trading Arrangements, by Individual    
Non-Rule 10b5-1 Arrangement Adopted false  
Rule 10b5-1 Arrangement Terminated false  
Non-Rule 10b5-1 Arrangement Terminated false  
Mary McDowell [Member]    
Trading Arrangements, by Individual    
Material Terms of Trading Arrangement  
On September 13, 2023, Mary McDowell, one of our Directors, adopted a Rule 10b5-1 trading arrangement providing for the sale from time to time of an aggregate of up to 14,100 shares of our common stock. The trading arrangement is intended to satisfy the affirmative defense in Rule 10b5-1(c). The duration of the trading arrangement is until December 13, 2024, or earlier if all transactions under the trading arrangement are completed.
Name Mary McDowell  
Title Directors  
Rule 10b5-1 Arrangement Adopted true  
Adoption Date September 13, 2023  
Arrangement Duration 457 days  
Aggregate Available 14,100 14,100