Goodwill and Other Intangible Assets

12 Months Ended

Dec. 31, 2020

Goodwill And Intangible Assets Disclosure [Abstract]

3. Goodwill and Other Intangible Assets

Goodwill

There were no changes to the goodwill of $3.3 million during 2020 or 2019. See the goodwill section of Note 1 for more information on the evaluation of goodwill.

Intangible Assets

The summary of other intangible assets, net is as follows:

	December 31, 2020						December 31, 2019
			Accumulated		Net Book				Accumulated		Net Book
	Cost		Amortization		Value		Cost		Amortization		Value
Customer contracts and relationships	$	16,880	$	16,880	$	0	$	16,880	$	16,880	$	0
Patents and technology		9,644		9,644		0		10,114		10,003		111
Trademarks and trade names		972		972		0		4,834		4,801		33
Other		0		0		0		2,506		2,506		0
	$	27,496	$	27,496	$	0	$	34,334	$	34,190	$	144

The Company amortizes intangible assets with finite lives on a straight-line basis over the estimated useful lives, which range from one to six years. In the Consolidated Statement of Income, amortization expense was approximately $0.1 million for the year ended December 31, 2020, and $0.9 million for the year ended December 31, 2019. Amortization for technology assets is included in cost of revenues and amortization for all other intangible assets is included in operating expenses. For the year ended December 31, 2020, $0.1 million the intangible asset amortization was included in cost of revenues. For the year ended December 31, 2019, $0.2 million of the intangible asset amortization was included in operating expenses and $0.7 million was included in cost of goods revenues.

The assigned lives and weighted average amortization periods by intangible asset category are summarized below:

Intangible Assets	Assigned Life	Weighted Average Amortization Period
Customer contracts and relationships	5 years		5.0
Patents and technology	5 to 6 years	5.1
Trademarks and trade names	5 to 6 years	5.6
Other	1 to 6 years		3.0