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Note 1 - Organization and Summary of Significant Accounting Policies (Tables)
12 Months Ended
Jan. 31, 2024
Notes Tables  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
  

Year Ended

 
  

January 31,

 
  

2024

  

2023

 
  

(in thousands)

 

Stock options

      

Restricted stock

      

Total dilutive shares