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Goodwill and Intangible Assets (Details 2) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2014
Dec. 31, 2013
Nine Months Ended December 31, 2014 $ 7,403  
December 31, 2015 9,825  
December 31, 2016 9,851  
December 31, 2017 9,825  
December 31, 2018 9,825  
Thereafter 15,678  
Total 62,407 64,835
7/24/13 - Rockstar Patent Portfolio
   
Nine Months Ended December 31, 2014 355  
December 31, 2015 470  
December 31, 2016 471  
December 31, 2017 470  
December 31, 2018 470  
Thereafter 1,441  
Total 3,677  
9/10/13 - North South patent portfolio
   
Nine Months Ended December 31, 2014 98  
December 31, 2015 130  
December 31, 2016 130  
December 31, 2017 130  
December 31, 2018 130  
Thereafter 412  
Total 1,030  
12/31/13 - Rockstar Patent Portfolio
   
Nine Months Ended December 31, 2014 6,950  
December 31, 2015 9,225  
December 31, 2016 9,250  
December 31, 2017 9,225  
December 31, 2018 9,225  
Thereafter 13,825  
Total $ 57,700