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Shareholders' equity (Tables)
9 Months Ended
Sep. 30, 2018
Shareholders' equity  
Schedule of fair value of options calculated using Black-Scholes option pricing model and weighted average assumptions utilized

 

 

 

 

 

Risk-free interest rate

 

 

2.18

%

Expected dividend yield

 

 

1.41

%

Expected price volatility of the Company’s common shares

 

 

33.3

%

Expected life of the option

 

 

5 years

 

Forfeiture rate

 

 

 0

%