XML 94 R31.htm IDEA: XBRL DOCUMENT v3.19.1
INVESTMENTS (Tables)
12 Months Ended
Dec. 31, 2018
Statements Line Items  
Disclosure of detailed information about investments [Table Text Block]
          Accumulated        
December 31, 2018   Cost     unrealized loss     Fair value  
Fair value through profit or loss                  
   Marketable securities $  1,682,327   $  (1,057,768 ) $  624,559  
   Private company investments   911,477     -     911,477  
   Total fair value through profit or loss   2,593,804     (1,057,768 )   1,536,036  
Fair value through other comprehensive income                  
   Marketable securities   910,473     (877,735 )   32,738  
Total investments $  3,504,277   $  (1,935,503 ) $  1,568,774  
 
          Accumulated        
December 31, 2017   Cost     unrealized loss     Fair value  
Fair value through profit or loss                  
   Marketable securities $  2,396,251   $  (1,256,804 ) $  1,139,447  
   Total fair value through profit or loss   2,396,251     (1,256,804 )   1,139,447  
Fair value through other comprehensive income                  
   Marketable securities   2,287,141     (87,942 )   2,199,199  
Total investments $  4,683,392   $  (1,344,746 ) $  3,338,646  
 
          Accumulated        
December 31, 2016   Cost     unrealized loss     Fair value  
Fair value through profit or loss                  
   Marketable securities $  1,641,751   $  (1,378,995 ) $  262,756  
   Total fair value through profit or loss   1,641,751     (1,378,995 )   262,756  
Fair value through other comprehensive income                  
   Marketable securities   910,473     (697,675 )   212,798  
Total investments $  2,552,224   $  (2,076,670 ) $  475,554