Intangible Assets

6 Months Ended

Jun. 30, 2015

(2)	Intangible Assets

Intangible assets consist of the following (in thousands):

	June 30, 2015				December 31, 2014
	Gross carrying value		Accumulated amortization		Gross carrying value		Accumulated Amortization
Amortizable intangible assets Licensed technology	$	7,156	$	256	$	5,000	$	9

Amortization expense related to intangible assets totaled $116,000 and $232,000 for the three and six months ended June 30, 2015, respectively, and totaled $0 for the three and six months ended June 30, 2014. The aggregate estimated amortization expense for intangible assets remaining as of June 30, 2015 is as follows (in thousands):

2015	$	291
2016		582
2017		582
2018		582
2019		582
over 5 years		4,281

Total	$	6,900