Note 7. Goodwill and Intangible Assets

The following table summarizes the activity in the Company’s goodwill during the nine months ended September 29, 2018:

	(in thousands)
Balance as of December 30, 2017	$	10,232
Foreign currency movements		379
Balance as of September 29, 2018	$	10,611

Finite-lived intangible assets are recorded at cost, less accumulated amortization. Finite-lived intangible assets as of September 29, 2018 and December 30, 2017 consisted of the following (in thousands):

	September 29, 2018
	Adjusted cost		Accumulated amortization			Net carrying amount
Developed technology	$	20,917	$	(16,816	)	$	4,101
Customer relationships		9,445		(9,445	)		—
Brand names		1,927		(1,927	)		—
Patented technology		2,252		(2,252	)		—
Trademark		80		(80	)		—
Total	$	34,621	$	(30,520	)	$	4,101

	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 September 29, 2018 and September 30, 2017 was $35,000 and $51,000, respectively, and $105,000 and $155,000 for the nine months ended September 29, 2018 and September 30, 2017, respectively.

There were no impairment charges related to intangible assets recorded during the nine months ended September 29, 2018 and September 30, 2017.

The estimated future amortization expense of finite intangible assets as of September 29, 2018 is as follows (in thousands):

Fiscal Years	Amounts
2018 (remaining three months)		35
2019		209
2020		571
2021		571
2022		571
Thereafter		2,144
Total future amortization expense	$	4,101