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4. STOCK BASED COMPENSATION (Details Narrative) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Stock Based Compensation        
Stock-based compensation expense $ 119 $ 60 $ 218 $ 111
Stock options granted 1,320,000 650,000 2,105,000 1,500,000
Number of share options exercised 48,000 10,000 82,000 18,000
Common stock issued upon option exercises 2,000 80,000 2,000 98,000
Proceeds from options exercised $ 1 $ 17 $ 1 $ 23
Intrinsic value exercised $ 3 $ 32 $ 7 $ 39
2010 Plan [Member]        
Stock Based Compensation        
Shares available for grant 7,144,000   7,144,000  
Shares authorized under plan 12,000,000   12,000,000  
2014 Plan [Member]        
Stock Based Compensation        
Shares available for grant 0   0  
Shares authorized under plan 4,250,000   4,250,000