Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2019

Goodwill And Intangible Assets Disclosure [Abstract]

Schedule of Acquired Intangible Assets by Major Asset Class

The following table sets forth our acquired intangible assets by major asset class as of December 31, 2019 and December 31, 2018 (in thousands, except for useful life data):

		December 31, 2019
	Useful life (years)	Gross		Additions		Accumulated amortization			Net book value before impairment		Impairment charge in 2016			Net book value
Purchased technology	4-6	$	265	$	2,253	$	(687	)	$	1,831	$	—		$	1,831
Customer relationships	3-10		999		2,976		(860	)		3,115		(411	)		2,704
Trademarks/trade names	2		38		—		(38	)		—		—			—
Non-compete	3		51		—		(51	)		—		—			—
Total		$	1,353	$	5,229	$	(1,636	)	$	4,946	$	(411	)	$	4,535
		December 31, 2018
	Useful life (years)	Gross		Additions		Accumulated amortization			Net book value before impairment		Impairment charge in 2016			Net book value
Purchased technology	4-6	$	265	$	—	$	(125	)	$	140	$	—		$	140
Customer relationships	3-6		999		—		(499	)		500		(411	)		89
Trademarks/trade names	2		38		—		(38	)		—		—			—
Non-compete	3		51		—		(42	)		9		—			9
Total		$	1,353		—	$	(704	)	$	649	$	(411	)	$	238

Future Amortization Expense Related to Intangible Assets

Future amortization expense related to intangible assets as of December 31, 2019 are as follows (in thousands):

Year Ending December 31,
2020	$	907
2021		901
2022		869
2023		345
2024		1,513
Total	$	4,535