Stock-Based Compensation	6 Months Ended
Stock-Based Compensation	Jun. 29, 2016
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]
Stock-Based Compensation	3. STOCK-BASED COMPENSATION At June 29, 2016, options to purchase 2,196,859 shares of common stock were outstanding, including 1,626,399 vested and 570,460 unvested. Unvested options vest over time, or upon our achieving annual financial goals. However, upon a change in control, the board may accelerate vesting. At June 29, 2016, 1,611,718 premium options remained outstanding. For the thirteen and twenty-six weeks ended June 29, 2016, there were exercises of stock options for 115,340 shares. For the thirteen and twenty-six weeks ended July 1, 2015, there were exercises of stock options for 825,187 and 844,907 shares, respectively. For the thirteen and twenty-six weeks ended June 29, 2016, 319,798 options were granted at the fair market value on the date of grant. No options were granted in the thirteen and twenty-six weeks ended July 1, 2015. At June 29, 2016, there were 20,158 unvested restricted shares outstanding. Restricted shares vest over time. At June 29, 2016, we had total unrecognized compensation expense of $1.7 million, related to unvested stock options and restricted shares, which we expect to recognize over a weighted-average period of 3.2 years. Total stock-based compensation expense was $128,000 and $139,000 for the thirteen and twenty-six weeks ended June 29, 2016 and $146,000 and $443,000 for the thirteen and twenty-six weeks ended July 1, 2015, respectively.

The entire disclosure for compensation-related costs for equity-based compensation, which may include disclosure of policies, compensation plan details, allocation of equity compensation, incentive distributions, equity-based arrangements to obtain goods and services, deferred compensation arrangements, employee stock ownership plan details and employee stock purchase plan details.