Stockholders' Equity (Details 1) - USD ($) $ in Thousands |
12 Months Ended | ||
---|---|---|---|
Dec. 30, 2016 |
Jan. 01, 2016 |
Jan. 02, 2015 |
|
Schedule of Employee Service Share-based Compensation [Line Items] | |||
Share-based Compensation | $ 8,558 | $ 3,304 | $ 4,663 |
Employee stock options [Member] | |||
Schedule of Employee Service Share-based Compensation [Line Items] | |||
Share-based Compensation | 5,485 | 2,306 | 2,842 |
Restricted stock [Member] | |||
Schedule of Employee Service Share-based Compensation [Line Items] | |||
Share-based Compensation | 298 | 485 | 935 |
Restricted stock units [Member] | |||
Schedule of Employee Service Share-based Compensation [Line Items] | |||
Share-based Compensation | 2,717 | 452 | 795 |
Consultant compensation [Member] | |||
Schedule of Employee Service Share-based Compensation [Line Items] | |||
Share-based Compensation | $ 58 | $ 61 | $ 91 |