Share-based Compensation | In May 2010, the Company’s Board of Directors approved the 2010 Amended Management Incentive Plan (the “ 2010 Plan ”). In May 2014, the Company’s Board of Directors adopted the 2014 Equity Incentive Plan (the “ 2014 Plan ,” and together with the 2010 Plan , the “ Incentive Plans ”). The Incentive Plans reserve 2,116,747 common shares for equity incentive awards consisting of incentive stock options, non-qualified stock options, restricted stock awards and unrestricted stock awards. Equity incentive awards may be issued from either the 2014 Plan or the 2010 Plan . Under the Incentive Plans , the Company has awarded 577,229 and 584,017 shares of restricted common stock to eligible employees as of March 28, 2016 , and December 28, 2015 , respectively. In addition, the Company has issued 1,238,551 and 1,076,555 stock options under the Incentive Plans to eligible employees as of March 28, 2016 , and December 28, 2015 , respectively. During the three months ended March 28, 2016, the Company early adopted ASU 2016-09 . As permitted under ASU 2016-09 , the Company has elected to account for forfeitures in compensation cost when they occur in order to ease the administrative burden of estimating forfeitures. See Recent Accounting Pronouncements in Note 1 — Description of Business and Basis of Presentation for additional information. Restricted common shares Information with respect to restricted stock activity is as follows: Number of Shares of Restricted Common Stock Time Vesting Performance Vesting Weighted Average Sale/Grant Date Fair Value Per Share Unvested, December 28, 2015 49,513 186,515 $ 3.11 Vested (3,017 ) — 5.48 Repurchased (3,016 ) (3,772 ) 1.42 Unvested, March 28, 2016 43,480 182,743 $ 3.00 The fair value of awards vested during the periods reported were as follows: Three Months Ended (in thousands, except per share amounts) March 28, 2016 March 30, 2015 Total fair value of shares vested $ 17 $ 17 Stock options Information with respect to stock option activity is as follows: Number of Shares Subject to Options Time Vesting Performance Weighted Weighted Aggregate Outstanding, December 28, 2015 841,956 200,481 $ 11.55 Granted 169,950 — 11.03 Forfeited (5,063 ) (2,891 ) 11.62 Outstanding, March 28, 2016 1,006,843 197,590 $ 11.48 8.6 years $ — Exercisable, March 28, 2016 500,264 — $ 11.39 8.2 years $ — Vested and expected to vest, March 28, 2016 930,856 167,952 $ 11.47 8.2 years $ — Fair value information for options granted and vested and the intrinsic value of options exercised during the periods reported are as follows: Three Months Ended (in thousands, except per share amounts) March 28, 2016 March 30, 2015 Weighted average grant date fair value per share $ 3.71 $ 5.41 Total fair value of awards granted 629 1,039 Total fair value of awards vested 329 10 Total intrinsic value of options exercised — 32 Compensation cost and valuation Total compensation costs recognized in connection with the Incentive Plans during the periods reported were as follows: Three Months Ended (in thousands) March 28, 2016 March 30, 2015 Stock compensation expense $ 231 $ 156 Associated income tax benefits 72 52 As of March 28, 2016 , the total unrecognized stock-based compensation expense was $2.9 million , with $2.1 million associated with time vesting awards and $0.8 million associated with performance vesting awards. The remaining weighted average contractual life for unrecognized stock-based compensation expense was 3.1 years as of March 28, 2016 . The fair value of the stock option awards granted during the periods reported was estimated using the Black-Scholes model with the following weighted-average assumptions: Three Months Ended March 28, 2016 March 30, 2015 Risk free rate 1.8% 1.9% Expected volatility 30.4% 37.9% Expected term 6.3 years 6.3 years Expected dividend yield 0.0% 0.0% |