Note 7. Goodwill and Intangible Assets

The following table summarizes the activity in the Company’s goodwill during the six months ended June 30, 2018:

	(in thousands)
Balance as of December 30, 2017	$	10,232
Foreign currency movements		379
Balance as of June 30, 2018	$	10,611

Finite-lived intangible assets are recorded at cost, less accumulated amortization. Finite-lived intangible assets as of June 30, 2018 and December 30, 2017 consisted of the following (in thousands):

	June 30, 2018
	Adjusted cost		Accumulated amortization			Net carrying amount
Developed technology	$	20,887	$	(16,751	)	$	4,136
Customer relationships		9,438		(9,438	)		—
Brand names		1,927		(1,927	)		—
Patented technology		2,252		(2,252	)		—
Trademark		80		(80	)		—
Total	$	34,584	$	(30,448	)	$	4,136

	December 30, 2017
	Adjusted cost		Accumulated amortization			Net carrying amount
Developed technology	$	18,887	$	(16,681	)	$	2,206
Customer relationships		9,438		(9,438	)		—
Brand names		1,927		(1,927	)		—
Patented technology		2,252		(2,252	)		—
Trademark		80		(80	)		—
Total	$	32,584	$	(30,378	)	$	2,206

The amortization of finite-lived intangibles is computed using the straight-line method. Estimated lives of finite-lived intangibles range from two to ten years. The total amortization expense for the three months ended June 30, 2018 and July 1, 2017 was $35.0 thousand and $52.0 thousand, respectively, and $70.0 thousand and $104.0 thousand for the six months ended June 30, 2018 and July 1, 2017, respectively.

There were no impairment charges related to intangible assets recorded during the six months ended June 30, 2018 and July 1, 2017.

The estimated future amortization expense of finite intangible assets as of June 30, 2018 is as follows (in thousands):

Fiscal Years	Amounts
2018 (remaining six months)		70
2019		209
2020		571
2021		571
2022		571
Thereafter		2,144
Total future amortization expense	$	4,136