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6. INTANGIBLE ASSETS (Tables)
12 Months Ended
Dec. 31, 2018
Intangible Assets Tables Abstract  
Schedule of intangible assets
Cost   Patent     Software     Total  
Balance at December 31, 2017   $ 510,310     $ 41,980     $ 552,290  
Implementation costs                        
Balance at December 31, 2018   $ 510,310     $ 41,980     $ 552,290  
Accumulated amortization                        
Balance at December 31, 2017   $ 421,006     $ 13,993     $ 434,999  
Amortization expense     51,032       13,993       65,025  
Balance at December 31, 2018   $ 472,038     $ 27,986     $ 500,024  
Net carrying amount                        
Balance at December 31, 2017   $ 89,304     $ 27,987     $ 117,291  
Balance at December 31, 2018   $ 38,272     $ 13,994     $ 52,266