Annual report pursuant to Section 13 and 15(d)

STOCKHOLDERS' EQUITY (Details 2)

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STOCKHOLDERS' EQUITY (Details 2)
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Expected dividends 0.00% 0.00%
Forfeiture rate 5.00% 5.00%
Employee Stock Option [Member] | Maximum [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Risk free interest rate 1.10% 1.14%
Expected term (years) 3 years 7 months 2 days 3 years 6 months 14 days
Expected volatility 46.10% 46.40%
Employee Stock Option [Member] | Minimum [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Risk free interest rate 1.06% 0.25%
Expected term (years) 2 years 6 months 11 days 1 year 4 days
Expected volatility 45.90% 46.10%