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Note 15 - Stockholders' Deficit (Tables)
9 Months Ended
Dec. 31, 2024
Notes Tables  
Share-Based Payment Arrangement, Option, Activity [Table Text Block]
      

Weighted-Average

 
      

Exercise Price per

 
  

Number of Shares

  

Share

 

Outstanding as of March 31, 2024

  2,266,667  $3.73 

Granted

  -   - 

Exercised

  -   - 

Forfeited or expired

  (40,000) $3.81 

Outstanding as of December 31, 2024

  2,226,667  $3.73 

Exercisable as of December 31, 2024

  2,207,917  $3.72 
Share-Based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block]
  

Number of Shares

 

Outstanding as of March 31, 2024

  1,384,581 

Granted

  954,638 

Vested

  (1,495,793)

Cancelled

  - 

Outstanding as of December 31, 2024

  843,426 
  

Number of

 
  

Shares

 

Nonvested as of March 31, 2024

  591,560 

Granted

  339,467 

Vested

  (228,335)

Forfeited or expired

  (13,250)

Nonvested as of December 31, 2024

  689,442