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FINANCIAL INSTRUMENTS (Tables)
 12 Months Ended
Mar. 31, 2022
Disclosure of financial instruments [text block] [Abstract]  
Schedule of Financial Assets Measured at Fair Value Level On Recurring Basis
   Fair value as at March 31, 2022     
Recurring measurements  Level 1   Level 2   Level 3   Total 
Financial assets                
Cash and cash equivalents  $113,302   $
-
   $
-
   $113,302 
Short-term investments - money market instruments   90,455    
-
    
-
    90,455 
Investments in public companies   13,916    
-
    
-
    13,916 
Investments in private companies   
-
    
-
    3,852    3,852 

 

   Fair value as at March 31, 2021     
Recurring measurements  Level 1   Level 2   Level 3   Total 
Financial assets                
Cash and cash equivalents  $118,735   $
-
   $
-
   $118,735 
Short-term investments - money market instruments   64,545    
-
    
-
    64,545 
Investments in public companies   13,444    
-
    
-
    13,444 
Investments in private companies   
-
    
-
    2,289    2,289 

 
Schedule of Remaining Contractual Maturities of Financial Liabilities
   March 31, 2022       March 31, 2021 
   Within a year   2-5 years   Total   Total 
Accounts payable and accrued liabilities  $39,667   $
-
   $39,667   $30,298 
Lease obligation   677    666    1,343    1,741 
   $40,344   $666   $41,010   $32,039 

 
Schedule of Currency Risk Affect Net Income
   March 31, 2022   March 31, 2021 
Financial assets denominated in U.S. Dollars  $59,272   $58,610 
Financial liabilities denominated in U.S. Dollars  $
-
   $52