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General and administrative expenses (Tables)
 12 Months Ended
May 31, 2021
General And Administrative Expense [Abstract]  
Schedule of General and Administrative Expenses General and administrative expenses are comprised of the following items:

 

 

 

For the year ended May 31,

 

 

 

2021

 

 

2020

 

 

2019

 

Executive compensation

 

$

8,645

 

 

$

6,777

 

 

$

4,402

 

Consulting fees

 

 

6,633

 

 

 

9,272

 

 

 

4,928

 

Office and general

 

 

19,503

 

 

 

12,351

 

 

 

12,486

 

Professional fees

 

 

5,146

 

 

 

4,918

 

 

 

8,916

 

Salaries and wages

 

 

37,126

 

 

 

28,252

 

 

 

14,842

 

Stock-based compensation

 

 

17,351

 

 

 

18,079

 

 

 

21,951

 

Insurance

 

 

12,257

 

 

 

9,370

 

 

 

4,050

 

Travel and accommodation

 

 

2,711

 

 

 

2,798

 

 

 

2,356

 

Rent

 

 

2,203

 

 

 

1,972

 

 

 

1,910

 

 

 

$

111,575

 

 

$

93,789

 

 

$

75,841