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Note 9 - Income Taxes (Tables)
6 Months Ended
Sep. 30, 2025
Notes Tables  
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]
  

Three Months Ended September 30,

  

Six Months Ended September 30,

 
  

2025

  

2024

  

2025

  

2024

 

Income tax (benefit) expense

 $(477) $384  $1,793  $901 

Effective tax rate

  (23.9)%  10.1%  19.9%  11.7%