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Stock-Based Compensation (Details 2)
3 Months Ended 9 Months Ended
Sep. 30, 2016
Oct. 02, 2015
Sep. 30, 2016
Oct. 02, 2015
Schedule of Employee Service Share-based Compensation [Line Items]        
Expected dividend yield 0.00% 0.00% 0.00% 0.00%
Expected volatility 57.00% 58.00% 57.00% 57.00%
Risk-free interest rate 1.19% 1.60% 1.34% 1.61%
Expected term (in years) 5 years 6 months 25 days 5 years 7 months 13 days 5 years 6 months 25 days 5 years 7 months 10 days