Intangible Assets (Tables)

3 Months Ended

Apr. 30, 2017

Intangible Assets Net Excluding Goodwill [Abstract]

Details of Intangible Assets

The following schedule presents the details of intangible assets as of April 30, 2017 (dollar amounts in thousands):

	April 30, 2017
	Gross							Remaining
	carrying		Accumulated					useful life
	amount		amortization			Net		(in years)
Existing technology	$	3,880	$	(2,927	)	$	953		1.4
Database		4,939		(3,588	)		1,351		2.4
Customer contracts and relationships		33,643		(6,113	)		27,530		8.2
Software		10,867		(4,053	)		6,814		2.9
Brand		1,141		(516	)		625		1.9
	$	54,470	$	(17,197	)	$	37,273

The following schedule presents the details of intangible assets as of January 31, 2017 (dollar amounts in thousands):

	January 31, 2017
	Gross							Remaining
	carrying		Accumulated					useful life
	amount		amortization			Net		(in years)
Existing technology	$	3,880	$	(2,733	)	$	1,147		1.6
Database		4,939		(3,291	)		1,648		2.5
Customer contracts and relationships		33,643		(5,245	)		28,398		8.5
Software		10,867		(3,481	)		7,386		3.2
Brand		1,141		(437	)		704		2.2
	$	54,470	$	(15,187	)	$	39,283

Estimated Amortization Expense

The estimated amortization expense for intangible assets, for the next five years and thereafter is as follows as of April 30, 2017 (in thousands):

	Estimated
	amortization
Period	expense
Fiscal 2018	$	5,797
Fiscal 2019		6,955
Fiscal 2020		6,062
Fiscal 2021		3,629
Fiscal 2022		3,182
Thereafter		11,648
Total	$	37,273