Annual reports filed by certain Canadian issuers pursuant to Section 15(d) and Rule 15d-4

Warrants

v3.20.1
Warrants
12 Months Ended
Dec. 31, 2019
Disclosure of warrants [Abstract]
Warrants
14 Warrants

Warrant activity for the years ended December 31, 2019 and 2018 was as follows:

2019 2018
Weighted Weighted
average average
exercise exercise
Number price Amount Number price Amount
# $ $ # $ $
Opening balance 192,458 5.84 415 2,087,598 2.46 674
Granted 134,766 6.53 332
Exercised (14,423 ) 4.22 (21 ) (2,029,905 ) 2.41 (591 )
Expired (43,269 ) 4.22 (62 )
Closing balance 134,7661 6.53 332 192,459 5.84 415

1 The 134,766 warrants outstanding expired on February 15, 2020.

The fair values of warrants are estimated using the Black-Scholes option pricing model. There have been no warrants issued to date in 2019. The weighted average assumptions used in the Black-Scholes valuation model for the periods presented were as follows:

2018
Risk-free interest rate 1.84%
Expected volatility 68%
Expected dividend yield
Expected life (years) 2