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9. Convertible Note (Tables)
12 Months Ended
Dec. 31, 2018
Debt Disclosure [Abstract]  
Assumptions used
   September 20, 2018
    
Dividend yield    
Risk-free interest rate   2.96%
Expected term (in years)   4.6 
Volatility   26.08%
Schedule of convertible debt
   December 31,
2018
   December 31,
2017
 
   $   $ 
Gross convertible note   10,671     
Less: Discount on BCF   4,215     
Discount on warrants   2,990     
Convertible note, net   3,465