v3.26.1
Note 2 - Significant Accounting Policies (Tables)
12 Months Ended
Mar. 31, 2026
Notes Tables  
Disaggregation of Revenue [Table Text Block]
   

Twelve Months Ended March 31,

 
   

2026

   

2025

 

Net Revenue in the US

               

Chemical

  $ 622,378     $ 745,730  

Electronics

    1,838,152       1,526,236  

Engineering

    349,347       584,167  
      2,809,877       2,856,133  
                 

Net Revenue outside the US

               

Chemical

    537,205       340,977  

Electronics

    -       -  

Engineering

    -       -  
      537,205       340,977  
                 

Total Revenues

  $ 3,347,082     $ 3,197,110