Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Acquired Assets by Major Asset Class

The following table sets forth our acquired assets by major asset class as of June 30, 2016 and December 31, 2015 (in thousands except for useful life data):

			June 30, 2016							December 31, 2015
	Useful life (years)		Gross		Accumulated amortization			Net book value		Gross		Accumulated amortization		Net book value
Purchased technology		6	$	190	$	(8	)	$	182	$	—	$	—	$	—
Customer relationships		6		450		(19	)		431		—		—		—
Total			$	640	$	(27	)	$	613	$	—	$	—	$	—

Future Amortization Expense Related to Intangible Assets

Future amortization expense related to intangible assets as of June 30, 2016 are as follows (in thousands):

Year Ending December 31,
2016-6 months remaining	$	53
2017		107
2018		107
2019		107
2020		107
Beyond		132
Total	$	613