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Stockholders' Equity (Details Textual) (USD $) | 1 Months Ended | 12 Months Ended |  | 1 Months Ended | 3 Months Ended | 12 Months Ended |  | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jun. 11, 2013 | Aug. 31, 2007 | Dec. 28, 2013 | Dec. 29, 2012 | Dec. 31, 2011 | Aug. 31, 2007 Common Stock | Aug. 31, 2007 Series A Preferred Stock | Mar. 30, 2013 Restricted stock units | Dec. 28, 2013 Restricted stock units | Dec. 29, 2012 Restricted stock units | Dec. 31, 2011 Restricted stock units | Dec. 27, 2013 Restricted stock units | Dec. 28, 2013 1998 Stock Plan | Dec. 29, 2012 1998 Stock Plan | Dec. 28, 2013 2008 Equity Incentive Plan
Stockholders Equity (Additional Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Undesignated Preferred stock authorized |  |  | 2,000,000 | 2,000,000 |  |  |  |  |  |  |  |  |  |  |
Preferred stock issued |  | 500,000 | 0 | 500,000 |  |  |  |  |  |  |  |  |  |  |
Preferred stock Par value |  | $ 0.01 | $ 0.01 | $ 0.01 |  |  |  |  |  |  |  |  |  |  |
Warrants to purchase common stock |  | 600,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Exercise price of warrants |  | $ 0.01 |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants expiration date |  | Dec. 31, 2007 |  |  |  |  |  |  |  |  |  |  |  |  |
Unit preferred stock |  |  |  |  |  |  | 1 |  |  |  |  |  |  |  |
Warrants to purchase number of common stock |  | 1.2 |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase price of preferred stock and warrants |  | $ 10.00 |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds allocated to common stock warrants |  | $ 2,300,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock converted from Series A Preferred Stock, shares | 1,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Period consider for calculation of average stock price performance prior awards vesting |  |  |  |  |  |  |  |  | 2 months |  |  |  |  |  |
Period consider for calculation of average stock price performance prior awards vesting |  |  |  |  |  |  |  |  | 2 months |  |  |  |  |  |
Stockholders Equity (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Voting rights on outstanding capital stock |  |  |  |  |  |  |  |  |  |  |  |  | 10.00% |  |
Exercise price of option |  |  |  |  |  |  |  |  |  |  |  |  | 110.00% |  |
Term of incentive stock options for major stock holders |  |  |  |  |  |  |  |  |  |  |  |  | 5 years |  |
Exercisable period |  |  |  |  |  |  |  |  |  |  |  |  | 4 years |  |
Maximum term of incentive stock options granted |  |  |  |  |  |  |  |  |  |  |  |  | 10 years |  |
Repurchase of shares |  |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 |
Expiration date of option Plan |  |  |  |  |  |  |  |  |  |  |  |  | 2008-02 |  |
Grant of non-qualified stock option |  |  |  |  |  |  |  |  |  |  | 20,000 |  |  |  | 300,000
Shares reserved |  |  | 1,579,387 |  |  |  |  |  |  |  |  |  |  |  |
Weighted-average grant date fair value of the options granted |  |  | $ 3.16 | $ 2.60 | $ 2.47 |  |  |  |  |  |  |  |  |  |
Total intrinsic value of options exercised |  |  | 1,500,000 | 261,000 | 84,000 |  |  |  |  |  |  |  |  |  |
The intrinsic value of the restricted stock units |  |  |  |  |  |  |  |  |  |  |  | $ 9.67 |  |  |
Preferred stock conversion to common stock, share |  |  |  |  |  | 1,000,000 |  |  |  |  |  |  |  |  |
Proceeds from common stock |  |  |  |  |  |  | 4,900,000 |  |  |  |  |  |  |  |
Number of Shares, Restricted stock awards granted |  |  | 234,012 | 66,665 | 100,315 |  |  | 220,000 | 230,509 | 55,999 | 90,189 |  |  |  |
Total value of Market Performance Award |  |  |  |  |  |  |  | 258,000 |  |  |  |  |  |  |
Total unrecognized compensation cost related to non-vested share-based compensation arrangements |  |  | $ 1,400,000 |  |  |  |  |  |  |  |  |  |  |  |
Cost is expected to be recognized over a weighted average period |  |  | 2 years 10 months 21 days |  |  |  |  |  |  |  |  |  |  |  |

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