Goodwill and Intangible Assets (Details 2) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Amount Recorded		$ 65,102
Amortization Expense	9,831	267
Patent Portfolio Net	55,004	64,835
7/24/13 - Rockstar Patent Portfolio Acquired [Member]
Amount Recorded		4,000
Amortization Expense	470	208
Patent Portfolio Net	3,311	3,792
9/10/13 - North South patent portfolio Acquired [Member]
Amount Recorded		1,102
Amortization Expense	130	40
Patent Portfolio Net	932	1,062
12/31/13 - Rockstar Patent Portfolio Acquired [Member]
Amount Recorded		60,000
Amortization Expense	9,231	19
Patent Portfolio Net	$ 50,750	$ 59,981

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

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=34712771&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)

-URI http://asc.fasb.org/extlink&oid=6918054&loc=SL2890621-112765

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