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Fair Value Measurements (Details 1) (Level 3, Discounted Cash Flow, USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 29, 2014
Quantitative information about the inputs and valuation methodologies used for fair value measurements
Fair Value, Earn-out liability	$ 629
Valuation Technique, Earn-out liability	Discounted cash flow
Weighted Average, Projected royalties	1,666
Weighted Average, Discount rate	21.40%
Minimum
Quantitative information about the inputs and valuation methodologies used for fair value measurements
Weighted Average, Projected royalties	414
Weighted Average, Discount rate	20.28%
Maximum
Quantitative information about the inputs and valuation methodologies used for fair value measurements
Weighted Average, Projected royalties	$ 1,917
Weighted Average, Discount rate	27.00%

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Earn out liability fair value disclosure.

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- Definition

Fair value inputs projected royalties amount.

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- Definition

Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (bbb)

-URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258

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Description of the inputs and valuation technique(s) used to measure fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (bbb)

-URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258

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