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Stockholders’ Equity (Details 5) - $ / shares shares in Thousands	12 Months Ended
	Dec. 29, 2017	Dec. 30, 2016	Jan. 01, 2016
Schedule of Nonvested Options Activity [Line Items]
Options, Granted during the year	956
Granted, Weighted Average Grant Date Fair Value	$ 5.42	$ 3.77	$ 4.14
Nonvested Stock Options [Member]
Schedule of Nonvested Options Activity [Line Items]
Options, Unvested at December 30, 2016	662
Options, Granted during the year	956
Options, Forfeited or expired during the year	(176)
Options, Vested during the year	(294)
Options, Unvested at December 29, 2017	1,148	662
Unvested at December 30, 2016, Weighted-Average Grant-Date Fair Value	$ 3.84
Granted, Weighted Average Grant Date Fair Value	5.42
Forfeited or expired during the year, Weighted Average Grant Date Fair Value	5.53
Vested during the year, Weighted Average Grant Date Fair Value	5.14
Unvested at December 29, 2017, Weighted Average Grant Date Fair Value	$ 4.96	$ 3.84

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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=96867065&loc=d3e5070-113901

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