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LIABILITY FOR EQUITY-LINKED FINANCIAL INSTRUMENTS (Details) (USD $)
6 Months Ended 12 Months Ended
Jun. 30, 2013
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Dec. 31, 2008
Stock price         $ 0.35  
Exercise price         $ 0.46  
Expected life         2 years 6 months  
Expected volatility - Minimum 54.00% 54.00% 54.00% 54.00% 54.00% 53.00%
Expected volatility - Maximum 66.00% 66.00% 66.00% 66.00% 66.00% 66.00%
Assumed dividend rate 0.00% 0.00% 0.00% 0.00% 0.00% 0.00%
Risk-free interest rate - Minimum 0.13% 0.13% 0.13% 0.13% 0.13% 2.00%
Risk-free interest rate - Maximum 2.97% 2.97% 2.97% 2.97% 2.97% 4.50%
Minimum [Member]
           
Stock price $ 0.35 $ 0.35 $ 0.35 $ 0.35 $ 0.35  
Exercise price $ 0.13 $ 0.13 $ 0.13 $ 0.13 $ 0.13  
Expected life 4 days 4 days 4 days 4 days 4 days 2 years 6 months
Maximum [Member]
           
Stock price $ 0.50 $ 0.50 $ 0.50 $ 0.50 $ 0.50  
Exercise price $ 0.50 $ 0.50 $ 0.50 $ 0.50 $ 0.50  
Expected life 2 years 2 months 12 days 2 years 2 months 12 days 2 years 2 months 12 days 2 years 2 months 12 days 2 years 2 months 12 days 7 years 6 months