Patents (Tables)

6 Months Ended

Jun. 30, 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 June 30, 2018 (in thousands):

For the years ending December 31,
Remainder of 2018	$	15,534
2019	3,508
2020	1,683
2021	822
2022	817
Thereafter	735
	$	23,099