Acquisition Purchase Price Allocation (Details) (ADAPTIX, Inc. [Member], USD $) In Thousands, unless otherwise specified	0 Months Ended	12 Months Ended
Jan. 12, 2012	Dec. 31, 2012
ADAPTIX, Inc. [Member]
Business Acquisition [Line Items]
Fair value of net tangible assets acquired	$ 10,000
Intangible assets acquired - patents	150,000
Goodwill	30,149
Net deferred income tax liability	(30,149)
Total	160,000
Patents, useful life	10 years	10 years
Patents, future annual amortization expense per year	$ 15,000

Finite-Lived Intangible Assets, Future Amortization Expense Per Year

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- Definition

The amount of acquisition cost of a business combination allocated to an identifiable intangible asset that will be amortized.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 51

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- Definition

Amount of acquisition cost of a business combination allocated to noncurrent deferred tax assets net of valuation allowance and noncurrent deferred tax liabilities.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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- Definition

Amount of goodwill arising from a business combination, which is the excess of the cost of the acquired entity over the amounts assigned to assets acquired and liabilities assumed.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 52

-Subparagraph c

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- Definition

The amount of acquisition cost of a business combination allocated to tangible assets.

+ References

No definition available.

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- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

-URI http://asc.fasb.org/extlink&oid=6516133

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-Publisher FASB

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-Topic 230

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