Acquired Intangible Assets

12 Months Ended

Jan. 31, 2014

Goodwill And Intangible Assets Disclosure [Abstract]

Acquired Intangible Assets

4. Acquired Intangible Assets

Intangible assets acquired in a business combination are recorded under the purchase method of accounting at their estimated fair values at the date of acquisition. The Company amortizes acquired intangible assets over their estimated useful lives. The following table reflects the fair value of certain identifiable intangible assets acquired from science + computing AG on November 30, 2011 and related estimates of useful lives:

	Fair Value		Useful Life (Years)
Intellectual property	$	3,505		10
Access to facilities contract		38		1
Total	$	3,543

The following table reflects the carrying value of intangible assets as of January 31, 2014:

	Cost		Accumulated Amortization			Net Book Value
Intellectual property	$	3,505	$	(760	)	$	2,745
Access to facilities contract		38		(38	)		—
Total	$	3,543	$	(798	)	$	2,745

The following table reflects the carrying value of intangible assets as of January 31, 2013:

	Cost		Accumulated Amortization			Net Book Value
Intellectual property	$	3,505	$	(409	)	$	3,096
Access to facilities contract		38		(38	)		—
Total	$	3,543	$	(447	)	$	3,096

Amortization expense of intangible assets was $351, $383 and $64 for the fiscal years ended January 31, 2014, 2013 and 2012, respectively.

The following table presents the expected future amortization expense related to the Company’s acquired intangible assets for the next five fiscal years and thereafter as of January 31, 2014:

2015	$	351
2016		350
2017		351
2018		350
2019		351
2020 and thereafter		992
	$	2,745