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Note 3 - Property and Equipment (Tables)
6 Months Ended
Sep. 30, 2025
Notes Tables  
Property, Plant and Equipment [Table Text Block]
  

September 30,

  

March 31,

 
  

2025

  

2025

 

Property and equipment, net

        

Computer, machinery, and software equipment

 $137  $132 

Furniture and fixtures

  14   14 

Leasehold improvements

  91   91 

Capitalized internally developed software

  -   944 

Total property and equipment

  242   1,181 

Less accumulated depreciation and amortization

  (192)  (1,122)

Total property and equipment, net

 $50  $59