XML 70 R27.htm IDEA: XBRL DOCUMENT v2.4.0.6
STOCK OPTIONS (Tables)
6 Months Ended
Jun. 30, 2012
Stock Options Tables  
Stock option activity

The following table summarizes the Company’s stock option activity for the year ended December 31, 2011 and the six month period ended June 30, 2012:

 

 

    Number of shares    

Exercise price

per share

    Weighted average exercise price  
Balance, December 31, 2010     1,836,700     $ 1.50 – 3.60     $ 3.03  
Granted     663,000     $ 1.50 – 2.45     $ 1.63  
Cancelled or expired     (1,306,000 )   $ 1.90 – 3.60     $ 3.23  
Balance, December 31, 2011     1,193,700     $ 1.50 – 3.60     $ 2.04  
Granted     89,000     $ 2.22     $ 2.22  
Cancelled or expired     (257,700 )   $ 1.50 – $3.60     $ 2.36  
Balance, June 30, 2012     1,025,000     $ 1.50 – 3.60     $ 1.97  
Exercisable, June 30, 2012     632,000     $ 1.50 – 3.60     $ 2.11  

 

Fair value of each option grant

The fair value of each option grant is calculated using the following weighted average assumptions:

 

    2012     2011  
Expected life – years     5.0       5.0  
Interest rate     0.91 %     1.8 %
Volatility     60 %     62 %
Dividend yield     %     %
Weighted average fair value of options granted   $ 0.90     $ 0.39-0.50