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CAPITAL STOCK (Tables)
3 Months Ended
Mar. 31, 2017
Stockholders' Equity Note [Abstract]  
Schedule of Stockholders' Equity Note, Warrants or Rights
The following table summarizes the Company’s share purchase warrants denominated in Canadian dollars:
Month Issued
Expiry Date
 
Exercise Price
Cdn$
 
Warrants
Outstanding
June 2012(1)
June 22, 2017
 
13.25
 
351,025

June 2013(1)
June 15, 2017
 
9.50
 
456,948

(1)
The expiration date for these warrants was extended by one year on March 24, 2016.
The following table summarizes the Company’s share purchase warrants denominated in US dollars. These warrants are accounted for as derivative liabilities as the functional currency of the entity issuing the warrants is Canadian dollars.
Month Issued
Expiry Date
 
Exercise Price
USD$
 
Warrants
Outstanding
 
Fair value at
March 31, 2017
March 2016 (a)
March 14, 2019
 
3.20

 
2,515,625

 
1,459

September 2016
September 20, 2021
 
2.45

 
4,168,750

 
4,663

 
 
 
 
 
 
 
$
6,122

(a)    The US dollar based warrants issued in March 2016 are classified as Level 2 under the fair value hierarchy (Note 14).
Schedule of share-based payment award, stock options, valuation assumptions
The following weighted average assumptions were used for the Black-Scholes option pricing model to calculate the $1.46 million of fair value for the 2,515,625 warrants at March 31, 2017.
Risk-free rate
1.27%
Expected life
2.0 years
Expected volatility
98.01%*
Expected dividend yield
0.00%
*
Expected volatility is measured based on the Company’s historical share price volatility over the expected life of the warrants.
The fair value of the options granted under the Compensation Plan for the three months ended March 31, 2017 was estimated at the date of grant, using the Black-Scholes Option Valuation Model, with the following weighted-average assumptions:
Risk-free interest rate
1.93%
 
Expected life
5.0 years
*
Expected volatility
62.95%
 
Expected dividend yield
0.00%
 
Weighted-average expected life of option
5.00
 
Weighted-average grant date fair value
$1.19
 

*
Expected volatility is measured based on the Company’s historical share price volatility over a period equivalent to the expected life of the options.