Quarterly report pursuant to Section 13 or 15(d)

Note 10 - Shareholders' Equity (Details Textual)

v3.23.2
Note 10 - Shareholders' Equity (Details Textual) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 6 Months Ended 11 Months Ended
Jul. 31, 2023
Apr. 30, 2023
Jul. 31, 2023
Jul. 31, 2023
Jan. 31, 2023
Sep. 07, 2022
Common Stock, Shares Authorized (in shares) 375,000,000   375,000,000 375,000,000 375,000,000  
Preferred Stock, Shares Authorized (in shares) 10,000,000   10,000,000 10,000,000    
Common Stock, Par or Stated Value Per Share (in dollars per share) $ 0.0001   $ 0.0001 $ 0.0001 $ 0.0001  
Common Stock, Shares, Outstanding (in shares) 160,467,809   160,467,809 160,467,809 163,655,881  
Treasury Stock, Value, Acquired, Cost Method $ (0) $ 8,046        
Preferred Stock, Par or Stated Value Per Share (in dollars per share) $ 0.0001   $ 0.0001 $ 0.0001    
Common Stock, Shares, Issued (in shares) 160,467,809   160,467,809 160,467,809 163,655,881  
Common Class A [Member]            
Common Stock, Shares Authorized (in shares) 375,000,000   375,000,000 375,000,000    
Common Stock, Par or Stated Value Per Share (in dollars per share) $ 0.0001   $ 0.0001 $ 0.0001    
Common Stock, Shares, Outstanding (in shares) 160,467,809   160,467,809 160,467,809    
Stock Repurchase Program, Authorized Amount           $ 30,000
Treasury Stock, Shares, Acquired (in shares)     4,365,255 5,995,530    
Treasury Stock, Value, Acquired, Cost Method     $ 8,000 $ 10,900    
Common Stock, Shares, Issued (in shares) 160,467,809   160,467,809 160,467,809    
Common Class B [Member]            
Common Stock, Shares, Outstanding (in shares) 0   0 0