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Stock-Based Compensation (Details Textual) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 01, 2016	Jul. 03, 2015	Jul. 01, 2016	Jul. 03, 2015	Feb. 11, 2016	Jan. 01, 2016
Schedule of Employee Service Share-based Compensation [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding	3,785,000		3,785,000			3,623,000
Estimated Forfeiture Rate			9.00%
Allocated Share-based Compensation Expense	$ 300	$ 829	$ 7,758	$ 1,823
Beneficial Ownership Percentage of Investor					26.00%
General and Administrative Expense [Member]
Schedule of Employee Service Share-based Compensation [Line Items]
Allocated Share-based Compensation Expense	167	548	3,688	1,124
Selling and Marketing Expense [Member]
Schedule of Employee Service Share-based Compensation [Line Items]
Allocated Share-based Compensation Expense	68	104	1,471	355
Research and Development Expense [Member]
Schedule of Employee Service Share-based Compensation [Line Items]
Allocated Share-based Compensation Expense	65	171	2,039	321
Cost of Sales [Member]
Schedule of Employee Service Share-based Compensation [Line Items]
Allocated Share-based Compensation Expense	$ 0	$ 6	$ 560	$ 23
Maximum [Member]
Schedule of Employee Service Share-based Compensation [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price, Beginning Balance	$ 17.62		$ 17.62
Minimum [Member]
Schedule of Employee Service Share-based Compensation [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price, Beginning Balance	$ 0.95		$ 0.95
Restricted Stock [Member]
Schedule of Employee Service Share-based Compensation [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding	15,379		15,379
Restricted Stock Units (RSUs) [Member]
Schedule of Employee Service Share-based Compensation [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding	260,425		260,425
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
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	2,223,858		2,223,858
Omnibus Equity Incentive Plan 2003 [Member]
Schedule of Employee Service Share-based Compensation [Line Items]
Allocated Share-based Compensation Expense			$ 6,900
Share-based Compensation Arrangement by Share-based Payment Award Accelerated Compensation Cost			3,700
Omnibus Equity Incentive Plan 2003 [Member] | General and Administrative Expense [Member]
Schedule of Employee Service Share-based Compensation [Line Items]
Allocated Share-based Compensation Expense			2,900
Omnibus Equity Incentive Plan 2003 [Member] | Selling and Marketing Expense [Member]
Schedule of Employee Service Share-based Compensation [Line Items]
Allocated Share-based Compensation Expense			1,500
Omnibus Equity Incentive Plan 2003 [Member] | Research and Development Expense [Member]
Schedule of Employee Service Share-based Compensation [Line Items]
Allocated Share-based Compensation Expense			1,900
Omnibus Equity Incentive Plan 2003 [Member] | Cost of Sales [Member]
Schedule of Employee Service Share-based Compensation [Line Items]
Allocated Share-based Compensation Expense			600
Omnibus Equity Incentive Plan 2003 [Member] | Employee Stock Option [Member]
Schedule of Employee Service Share-based Compensation [Line Items]
Allocated Share-based Compensation Expense			4,600
Omnibus Equity Incentive Plan 2003 [Member] | Restricted Stock And Restricted Stock Units [Member]
Schedule of Employee Service Share-based Compensation [Line Items]
Allocated Share-based Compensation Expense			$ 2,300

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Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
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