Goodwill and Intangible Assets (Details 1) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Intangible Assets, net		$ 64,835
Amortization Expense	2,428
Amount Recorded, net	62,407
7/24/13 - Rockstar Patent Portfolio
Intangible Assets, net		3,792
Weighted Average Life (in years)	8 years 6 months
Amortization Expense	115
Amount Recorded, net	3,677
9/10/13 - North South patent portfolio
Intangible Assets, net		1,062
Weighted Average Life (in years)	8 years 6 months
Amortization Expense	32
Amount Recorded, net	1,030
12/31/13 - Rockstar Patent Portfolio
Intangible Assets, net		59,981
Weighted Average Life (in years)	6 years 6 months
Amortization Expense	2,281
Amount Recorded, net	$ 57,700