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INVESTMENTS (Tables)
 12 Months Ended
Dec. 31, 2020
Disclosure Of Investments [Abstract]  
Disclosure of detailed information about investments [Table Text Block]
    December 31, 2020     December 31, 2019  
Marketable securities $ 14,717   $ 4,665  
Warrants   636     829  
Private company investments   10,273     4,613  
Total Investments   25,626     10,107  
Less: current portion   (16,755 )   (5,494 )
Non-current portion $ 8,871   $ 4,613