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STOCK BASED COMPENSATION (Narrative) (Details) (USD $)
1 Months Ended 6 Months Ended 12 Months Ended
Apr. 30, 2008
Jun. 30, 2013
Dec. 31, 2012
Dec. 31, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Pricing model used in calculation of grant-date fair value Black-Scholes Black-Scholes Black-Scholes Black-Scholes
Expected dividend yield   0.00% 0.00% 0.00%
Expected volatility, minimum   111.00% 77.00% 115.00%
Expected volatility, maximum   113.00% 217.00% 125.00%
Risk-free interest rate, minimum   0.94% 0.13% 0.82%
Risk-free interest rate, maximum   1.86% 2.26% 2.15%
Unrecognized compensation expense related to non-vested market-based share awards   $ 545,282 $ 829,247  
Expected to be recognized   2 years    
Minimum [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Expected option life   5 years 2 years 3 years
Maximum [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Expected option life   10 years 10 years 5 years