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Intangible Assets Intangible Assets - Schedule of Finite-Lived Intangible Assets (Details) - USD ($) $ in Thousands	Mar. 30, 2019	Dec. 29, 2018
Finite-Lived Intangible Assets [Line Items]
Total intangible assets	$ 55,813	$ 55,158
Accumulated amortization	(27,983)	(27,234)
Intangible assets, net	27,830	27,924
Patents
Finite-Lived Intangible Assets [Line Items]
Total intangible assets	21,889	21,323
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Total intangible assets	7,669	7,669
Licenses-related party
Finite-Lived Intangible Assets [Line Items]
Total intangible assets	7,500	7,500
Acquired technology
Finite-Lived Intangible Assets [Line Items]
Total intangible assets	5,580	5,580
Trademarks
Finite-Lived Intangible Assets [Line Items]
Total intangible assets	4,273	4,190
Capitalized software development costs
Finite-Lived Intangible Assets [Line Items]
Total intangible assets	3,436	3,430
Other
Finite-Lived Intangible Assets [Line Items]
Total intangible assets	$ 5,466	$ 5,466

X

- Definition

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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-Topic 350
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