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Stockholders’ Equity (Details 5) - $ / shares shares in Thousands | 12 Months Ended
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Dec. 30, 2016 | Jan. 01, 2016 | Jan. 02, 2015
Schedule of Nonvested Options Activity [Line Items] |  |  |
Options, Granted during the year | 781 |  |
Granted, Weighted Average Grant Date Fair Value | $ 3.77 | $ 4.14 | $ 6.81
Nonvested Stock Options [Member] |  |  |
Schedule of Nonvested Options Activity [Line Items] |  |  |
Options, Unvested at January 1, 2016 | 1,548 |  |
Options, Granted during the year | 781 |  |
Options, Forfeited or expired during the year | (361) |  |
Options, Vested during the year | (1,306) |  |
Options, Unvested at December 30, 2016 | 662 | 1,548 |
Unvested at January 1, 2016, Weighted-Average Grant-Date Fair Value | $ 4.34 |  |
Granted, Weighted Average Grant Date Fair Value | 3.77 |  |
Forfeited or expired during the year, Weighted Average Grant Date Fair Value | 5.10 |  |
Vested during the year, Weighted Average Grant Date Fair Value | 5.37 |  |
Unvested at December 30, 2016, Weighted Average Grant Date Fair Value | $ 3.84 | $ 4.34 |

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- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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