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License Agreement, Sale of Intangible Asset

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Patents and Licenses, Fully-paid, Non-Exclusive Field of Use Term

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For unclassified balance sheet, amounts due from customers or clients for goods or services that have been delivered or sold in the normal course of business.

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The amount of expense provided in the period for legal costs incurred on or before the balance sheet date pertaining to resolved, pending or threatened litigation, including arbitration and mediation proceedings.

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- Definition

Revenue earned during the period relating to consideration received from another party for the right to use, but not own, certain of the entity's intangible assets. Licensing arrangements include, but are not limited to, rights to use a patent, copyright, technology, manufacturing process, software or trademark. Licensing fees are generally, but not always, fixed as to amount and not dependent upon the revenue generated by the licensing party. An entity may receive licensing fees for licenses that also generate royalty payments to the entity.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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Amount of damages awarded to the plaintiff in the legal matter.

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Number of another entity's patents that the entity was found to have infringed.

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Amount due from parties in nontrade transactions, classified as other.

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Cash received from licensees for license fees during the current period.

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The cash inflow from disposal of asset without physical form usually arising from contractual or other legal rights, excluding goodwill.

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License, Settlement and Release Agreement - Additional Information (Details) $ in Thousands																		3 Months Ended	12 Months Ended
	Jan. 13, 2017 USD ($)	Dec. 28, 2016 USD ($)	Sep. 21, 2016 USD ($) patent	Sep. 01, 2016 USD ($)	Jun. 30, 2016 USD ($)	Jun. 27, 2016 USD ($)	Jun. 06, 2016 USD ($)	Jun. 03, 2016 USD ($)	Mar. 31, 2016 USD ($)	Jan. 14, 2016 USD ($)	Dec. 31, 2015 USD ($)	Dec. 30, 2015 USD ($)	Sep. 30, 2015 USD ($)	Apr. 22, 2015 USD ($)	Apr. 07, 2015 USD ($)	Jan. 16, 2015 USD ($)	Sep. 24, 2014 USD ($) installment_payment	Dec. 31, 2014 USD ($)	Jan. 03, 2018 USD ($)	Jan. 13, 2017 USD ($)	Dec. 31, 2016 USD ($)
Licensing Agreements
Loss Contingencies [Line Items]
License revenue																		$ 5,000
Receivable related to license agreement																		$ 2,000
License fee receivable																	$ 8,000
Number of installment payments \| installment_payment																	4
License agreement installment										$ 2,000						$ 2,000	$ 3,000
Legal fees																					$ 800
F5 Networks, Inc. \| Licensing Agreements
Loss Contingencies [Line Items]
Sale of patent in license agreement																					4,000
License revenue																					4,000
European Cloud-Based Network Security Firm
Loss Contingencies [Line Items]
Sale of patent in license agreement					$ 565
Proofpoint and Amorize Technologies
Loss Contingencies [Line Items]
Sale of patent in license agreement								$ 10,900
License revenue																					7,600
Cash received from license agreement		$ 3,300					$ 4,300
Receivable related to license agreement																					3,300
License fee receivable																					10,900
United States-based third party \| Licensing Agreements
Loss Contingencies [Line Items]
Sale of patent in license agreement												$ 3,650
License revenue											$ 1,000										$ 2,650
Cash received from license agreement				$ 1,000		$ 1,650						$ 1,000
License fee receivable											$ 3,650
F-Secure Corporation
Loss Contingencies [Line Items]
Fully-paid, non-exclusive field of use license term (in years)															2 years
F-Secure Corporation \| Patents
Loss Contingencies [Line Items]
Sale of patent in license agreement															$ 1,000
License revenue									$ 300				$ 700
Cash received from license agreement									$ 300					$ 700
License fee receivable													$ 1,000
Forecast
Loss Contingencies [Line Items]
License revenue																			$ 3,300
Forecast \| Licensing Agreements
Loss Contingencies [Line Items]
License agreement installment																				$ 3,000
Sophos Inc
Loss Contingencies [Line Items]
Number of patents asserted \| patent			5
Damages awarded			$ 15,000
Subsequent Event \| Licensing Agreements
Loss Contingencies [Line Items]
License agreement installment	$ 1,000