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Note 27 - Non-operating Income (Expense) (Tables)
12 Months Ended
May 31, 2024
Notes Tables  
Schedule of Other Nonoperating Income (Expense) [Table Text Block]
  

For the year ended May 31,

 
  

2024

  

2023

  

2022

 

Change in fair value of convertible debenture payable

 $(19,736) $(43,651) $163,670 

Change in fair value of warrant liability

  (1,436)  12,438   63,913 

Foreign exchange (loss) gain

  (4,086)  (25,535)  (28,383)

Loss on long-term investments

  (217)  (2,190)  (6,737)

Other non-operating (losses) gains, net

  (12,367)  (7,971)  5,208 
  $(37,842) $(66,909) $197,671