v3.26.1
Note 12 - Fair Value Measurements (Tables)
12 Months Ended
Mar. 31, 2026
Notes Tables  
Fair Value Measurement Inputs and Valuation Techniques [Table Text Block]
   

Level 1

   

Level 2

   

Level 3

   

Total

 

Investment

 

$

240,000    

$

-    

$

-    

$

240,000  

TOTAL ASSETS AT FAIR VALUE

 

$

240,000    

$

-    

$

-    

$

240,000