Intangible Assets

9 Months Ended

Sep. 30, 2016

(8)Intangible Assets

The Company amortizes intangible assets on a straight line basis over their estimated useful lives as follows:


Trademarks and tradenames	1-10 years
Customer relationships	8 years

Total amortization expense was $0.4 million and less than $0.1 million for the three months ended September 30, 2016 and 2015, respectively, and $0.7 million and $0.2 million for the nine months ended September 30, 2016 and 2015, respectively.

CAI INTERNATIONAL, INC.

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)

Intangible assets as of September 30, 2016 and December 31, 2015 were as follows (in thousands):



	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
September 30, 2016
Trademarks and tradenames	$	3,028	$	(1,470)	$	1,558
Customer relationships		9,344		(449)		8,895
	$	12,372	$	(1,919)	$	10,453
December 31, 2015
Trademarks and tradenames	$	1,840	$	(1,218)	$	622
Customer relationships		620		(19)		601
	$	2,460	$	(1,237)	$	1,223

As of September 30, 2016, estimated future amortization expenses are as follows (in thousands):


2017	$	1,519
2018		1,519
2019		1,519
2020		1,517
2021		1,318
2022 and thereafter		3,061
	$	10,453