Goodwill and Intangible Assets (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2015
Amount Recorded	$ 55,004
Amortization Expense	2,422
Patent Portfolio Net	52,582
7/24/13 - Rockstar Patent Portfolio Acquired [Member]
Amount Recorded	3,322
Amortization Expense	116
Patent Portfolio Net	3,206
Original life	8 years 6 months
9/10/13 - North South patent portfolio Acquired [Member]
Amount Recorded	932
Amortization Expense	32
Patent Portfolio Net	900
Original life	8 years 6 months
12/31/13 - Rockstar Patent Portfolio Acquired [Member]
Amount Recorded	50,750
Amortization Expense	2,274
Patent Portfolio Net	$ 48,476
Original life	6 years 6 months

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (a)(3)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16265-109275

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Amount of accumulated depreciation and amortization at the balance sheet date before fresh-start adjustments.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 852

-SubTopic 10

-Section 55

-Paragraph 10

-URI http://asc.fasb.org/extlink&oid=29642632&loc=d3e56426-112766

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 852

-SubTopic 10

-Section 50

-Paragraph 7

-Subparagraph (a)

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