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STOCK-BASED COMPENSATION (Details 1)
3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Weighted average risk-free interest rate 0.22%    0.69% 0.78%
Expected life of options 2 years   5 years 5 years
Expected dividend yield 0.00%    0.00% 0.00%
Weighted average expected volatility 112.16%    105.48% 85.97%