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Stockholders' Equity (Details Textual) - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Jan. 01, 2016 | Jan. 01, 2016 | Jan. 02, 2015 | Jan. 03, 2014 | Jun. 01, 2009
Schedule of Employee Service Share-based Compensation [Line Items] |  |  |  |  |
Estimated Forfeiture Rate |  | 7.00% |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value |  | $ 4.14 | $ 6.81 | $ 3.51 |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value |  | $ 2.0 | $ 5.5 | $ 3.9 |
Unrecognized Stock Based Compensation Expense | $ 6.8 | $ 6.8 |  |  |
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Grants In Period, Gross |  | 1,155,000 |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term | 2 years |  |  |  |
Employee Stock Option [Member] |  |  |  |  |
Schedule of Employee Service Share-based Compensation [Line Items] |  |  |  |  |
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Grants In Period, Gross | 4,700,000 |  |  |  |
Broadwood [Member] |  |  |  |  |
Schedule of Employee Service Share-based Compensation [Line Items] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant |  |  |  |  | 700,000
Class of Warrant or Right, Exercise Price of Warrants or Rights |  |  |  |  | $ 4.00
Restricted Stock [Member] |  |  |  |  |
Schedule of Employee Service Share-based Compensation [Line Items] |  |  |  |  |
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Grants In Period, Gross | 2,100,000 |  |  |  |
2003 Omnibus Plan [Member] |  |  |  |  |
Schedule of Employee Service Share-based Compensation [Line Items] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period |  | 10 years |  |  |
2003 Omnibus Plan [Member] | Restricted Stock [Member] |  |  |  |  |
Schedule of Employee Service Share-based Compensation [Line Items] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant | 1,072,776 | 1,072,776 |  |  |

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