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13. STOCK-BASED COMPENSATION (Details Narrative) - USD ($)
6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Stock-based Compensation Details Narrative    
Common stock reserved for issuance 4,341,989  
Common stock available for issuance 1,060,989  
Aggregate intrinsic value of options outstanding and exercisable $ 2,193,632  
Intrinsic value of options exercised $ 236,535 $ 400,954
Options exercised 182,500