Patents (Tables)

3 Months Ended

Mar. 31, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

The following table presents the scheduled annual aggregate amortization expense as of March 31, 2015 (in thousands):

Remainder of 2015	$	39,191
2016	49,584
2017	48,496
2018	44,368
2019	38,738
Thereafter	54,282
Total	$	274,659