v3.25.4
Note 5 - Property, Plant and Equipment (Tables)
6 Months Ended
Nov. 30, 2025
Notes Tables  
Property, Plant and Equipment [Table Text Block]
   

November 30,

   

May 31,

 
   

2025

   

2025

 

Production machinery and equipment

  $ 72,565,525     $ 71,908,843  

Plant buildings and land

    3,930,207       3,930,207  

Leasehold improvements

    3,154,454       2,370,743  

Furniture and fixtures

    542,057       542,057  
      80,192,243       78,751,850  

Less: Accumulated depreciation and amortization

    (51,623,415

)

    (48,706,964

)

Net Property, Plant and Equipment

  $ 28,568,828     $ 30,044,886