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6. STOCK BASED COMPENSATION (Details Narrative) (USD $)
3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Stock Based Compensation        
Stock-based compensation expense $ 60,000 $ 27,000 $ 111,000 $ 53,000
Stock options granted 650,000 798,000 1,500,000 1,128,000
Intrinsic value of options exercised 32,000   39,000 2,000
Proceeds from exercise of stock options 17,000   23,000 0
Stock issued from exercise of stock options 18,000   98,000  
Option exercised under net-exercise arrangement
       
Stock Based Compensation        
Stock issued from exercise of stock options     15,000  
Common stock issued under net-exercise arrangement
       
Stock Based Compensation        
Stock issued from exercise of stock options     $ 6,000