Intangible Assets (Tables)

6 Months Ended

Jul. 31, 2017

Intangible Assets Net Excluding Goodwill [Abstract]

Details of Intangible Assets

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

	July 31, 2017
	Gross							Remaining
	carrying		Accumulated					useful life
	amount		amortization			Net		(in years)
Existing technology	$	3,880	$	(3,121	)	$	759		1.2
Database		4,939		(3,809	)		1,130		2.4
Customer contracts and relationships		33,643		(7,008	)		26,635		8.0
Software		10,867		(4,646	)		6,221		2.7
Brand		1,141		(598	)		543		1.7
	$	54,470	$	(19,182	)	$	35,288

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 July 31, 2017 (in thousands):

	Estimated
	amortization
Period	expense
Fiscal 2018	$	3,800
Fiscal 2019		6,966
Fiscal 2020		6,062
Fiscal 2021		3,629
Fiscal 2022		3,182
Thereafter		11,649
Total	$	35,288