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11. STOCK OPTIONS (Tables)
6 Months Ended
Jun. 30, 2017
Stock Options Tables  
Stock option activity
    Number of shares    

Exercise price

per share

    Weighted average exercise price  
                   
Balance, December 31, 2015     1,190,000     $ 0.75 - $2.45     $ 1.34  
Granted     168,000     $ 1.42     $ 1.42  
Cancelled or expired     (515,000 )   $ 0.75 – 2.45     $ 1.61  
Exercised     (30,000 )   $ 1.00 – 1.21     $ 1.09  
Balance, December 31, 2016     813,000     $ 0.75 – 2.22     $ 1.19  
Cancelled or expired     (87,000 )   $ 1.00 - 2.22     $ 1.97  
Exercised     (28,000 )   $ 0.75 – 1.21     $ 1.16  
Balance, June 30, 2017     698,000     $ 0.75 – 2.00     $ 1.10  
Exercisable, June 30, 2017     535,000     $ 0.75 – 2.00     $ 1.00  
Fair value of each option grant
    2016  
       
Expected life – years     3  
Interest rate     1.37 %
Volatility     75.64 %
Dividend yield     -- %
Weighted average fair value of options granted   $ 0.71