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Note 14 - Fair Value Measurements (Tables)
9 Months Ended
Dec. 31, 2024
Notes Tables  
Fair Value Measurement Inputs and Valuation Techniques [Table Text Block]
   

Level 1

   

Level 2

   

Level 3

   

Total

 

Investment

  $ 120,000     $ -     $ -     $ 120,000  

TOTAL ASSETS AT FAIR VALUE

  $ 120,000     $ -     $ -     $ 120,000