v3.25.2
Note 3 - Inventories (Tables)
12 Months Ended
Mar. 31, 2025
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
  

2025

  

2024

 
  

(in thousands)

 

Raw materials

 $567  $1,149 

Work in process

  1,498   2,195 

Finished goods

  5,379   3,658 

Supplies

  344   311 

Inventories

 $7,788  $7,313