Patents (Tables)

3 Months Ended

Mar. 31, 2018

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, 2018 (in thousands):

For the years ending December 31,
Remainder of 2018	$	15,212
2019	18,527
2020	6,134
2021	5,261
2022	5,256
Thereafter	6,197
	$	56,587