Intangible Assets, net (Tables)

6 Months Ended

Jun. 30, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of intangible assets

Intangible assets as of June 30, 2017 and December 31, 2016 comprised the following (in thousands):

	June 30, 2017							December 31, 2016
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Licensed intellectual property	$	4,750	$	(1,827	)	$	2,923	$	4,250	$	(1,580	)	$	2,670

Summary of estimated future amortization expense

Estimated future amortization expense for these licenses is as follows (in thousands):

Fiscal Years Ending	Future Amortization Expense
Remaining in 2017	$	298
2018	593
2019	593
2020	593
2021	593
Thereafter	253
Total	$	2,923