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Note 17 - Fair Value Measurements (Tables)
9 Months Ended
Dec. 31, 2024
Notes Tables  
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]
   

March 31, 2024

 
   

Fair

   

Hierarchy Level

 
   

Value

   

Level 1

   

Level 2

   

Level 3

 

Assets:

                               

Prepaid expenses - common stock issued subject to market adjustment at settlement

  $ -     $ -     $ -     $ -  

Total

  $ -     $ -     $ -     $ -  
                                 

Liabilities:

                               

Bifurcated embedded derivative on Series A Preferred Stock

  $ 607     $ -     $ -     $ 607  
    $ 607     $ -     $ -     $ 607  
Fair Value, Liabilities Measured on Recurring Basis [Table Text Block]
   

Amount

 

Balance as of March 31, 2024

  $ 607  

Change in fair value of bifurcated embedded derivatives, reported in earnings

    (607 )

Balance as of December 31, 2024

  $ -