v3.26.1
Note 13 - Research and Development Expenses (Tables)
3 Months Ended
May 31, 2026
Notes Tables  
Schedule of Research and Development Expenses [Table Text Block]
  

May 31, 2026

  

May 31, 2025

 

Employee compensation

 $706  $901 

External engineering

 $9   3 

Plant and laboratory operating expenses

 $182   231 

Other

  65   124 
  $962  $1,259