Goodwill and Intangibles (Tables)

12 Months Ended

Dec. 31, 2015

Goodwill And Intangible Assets Disclosure [Abstract]

Intangible Assets Subject to Amortization (in thousands)

	As of December 31, 2015
	Gross Carrying		Accumulated				Net Book
	Amount		Amortization		Impairment			Value
Technology		3,080		(1,819)		—			1,261
Total	$	3,080	$	(1,819)	$	—	$		1,261

	As of December 31, 2014
	Gross Carrying		Accumulated				Net Book
	Amount		Amortization		Impairment		Value
Technology		3,080		(948)		—		2,132
Total	$	3,080	$	(948)	$	—	$	2,132

Estimated Intangible Assets Amortization Expense (in thousands)

Year
2016		616
2017		545
2018		100
2019		—
Total	$	1,261

Carrying Value of Goodwill (in thousands)

Balance , December 31, 2013	$	4,799
Additions		676
Balance , December 31, 2014		5,475
Additions		—
Balance, December 31, 2015	$	5,475