v3.26.1
9. Sales: Disaggregation of Sales Revenue (Details) - USD ($)
12 Months Ended
May 31, 2026
May 31, 2025
Sales, net (Note 9) [1] $ 41,649,673 $ 46,292,725
Aerospace / Defense    
Sales, net (Note 9) 27,522,079 27,134,038
Structural    
Sales, net (Note 9) 10,262,939 14,827,044
Industrial    
Sales, net (Note 9) $ 3,864,655 $ 4,331,643
[1] Note 9