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10. STOCK OPTIONS (Tables)
3 Months Ended
Mar. 31, 2016
Stock Options Tables  
Stock option activity
    Number of shares    

Exercise price

per share

    Weighted average exercise price  
                   
Balance, December 31, 2014     1,126,000     $ 1.21 – 2.45     $ 1.54  
Granted     317,000     $ 0.75 – 1.05     $ 0.89  
Cancelled or expired     (245,000 )   $ 1.05 – 2.22     $ 1.72  
Granted     8,000     $ 1.00     $ 1.00  
Balance, December 31, 2015     1,190,000     $ 0.75 – 2.45     $ 1.34  
Cancelled or expired     (355,000 )   $ 1.50 - 2.00     $ 1.56  
Balance, March 31, 2016     835,000     $ 0.75 – 2.45     $ 1.24  
Exercisable, March 31, 2016     677,000     $ 1.00 – 2.45     $ 1.36  
Fair value of each option grant
    2015  
Expected life – years     3.0  
Interest rate     0.78 – 1.16 %
Volatility     58 - 77 %
Dividend yield     -- %
Weighted average fair value of options granted   $ 0.36– 0.37