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SIGNIFICANT ACCOUNTING POLICIES (Assumptions Used in Estimation of Fair Value of Stock-based Compensation Awards) (Details)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Share Based Compensation Arrangement By Share Based Payment Award Line Items      
Dividend rate 0.00% 0.00% 0.00%
Expected volatility, minimum 71.00% 80.00% 76.00%
Expected volatility, maximum 74.00% 100.00% 132.00%
Risk free interest rate, minimum 0.30% 0.30% 0.30%
Risk free interest rate, maximum 0.60% 0.40% 2.10%
Expected term (in years) 2 years 9 months 22 days    
Minimum [Member]
     
Share Based Compensation Arrangement By Share Based Payment Award Line Items      
Expected term (in years)   1 year 6 months 1 year 6 months
Maximum [Member]
     
Share Based Compensation Arrangement By Share Based Payment Award Line Items      
Expected term (in years)   5 years 6 months 5 years 6 months