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6. STOCK BASED COMPENSATION (Tables)
9 Months Ended
Sep. 30, 2015
Stock Based Compensation Tables  
Value of outstanding stock options
    Three months ended     Nine months ended  
    September 30, 2015     September 30, 2015  
             
    Weighted Average Exercise     Weighted Average Exercise  
    Shares     Price     Shares     Price  
                         
Outstanding at beginning of period     165,000     $ 3.64       222,971     $ 3.79  
Granted     -       -       -       -  
Exercised     (58,000 )     3.60       (115,971 )     3.92  
Forfeited     -       -       -       -  
                                 
Outstanding at end of period     107,000     $ 3.66       107,000     $ 3.66