Intangible Assets (Tables)

3 Months Ended

Apr. 30, 2018

Intangible Assets Net Excluding Goodwill [Abstract]

Details of Intangible Assets

The following schedule presents the details of intangible assets as of April 30, 2018 (dollar amounts in thousands):

	April 30, 2018
	Gross							Remaining
	carrying		Accumulated					useful life
	amount		amortization			Net		(in years)
Existing technology	$	3,880	$	(3,703	)	$	177		0.9
Database		4,939		(4,228	)		711		1.9
Customer contracts and relationships		33,643		(9,664	)		23,979		7.3
Software		10,867		(6,389	)		4,478		1.9
Brand		1,141		(842	)		299		0.9
	$	54,470	$	(24,826	)	$	29,644

The following schedule presents the details of intangible assets as of January 31, 2018 (dollar amounts in thousands):

	January 31, 2018
	Gross							Remaining
	carrying		Accumulated					useful life
	amount		amortization			Net		(in years)
Existing technology	$	3,880	$	(3,509	)	$	371		0.8
Database		4,939		(4,091	)		848		2.0
Customer contracts and relationships		33,643		(8,798	)		24,845		7.5
Software		10,867		(5,820	)		5,047		2.2
Brand		1,141		(762	)		379		1.2
	$	54,470	$	(22,980	)	$	31,490

Estimated Amortization Expense

The estimated amortization expense for intangible assets, for the next five years and thereafter is as follows as of April 30, 2018 (in thousands):

	Estimated
	amortization
Period	expense
Fiscal 2019	$	5,122
Fiscal 2020		6,062
Fiscal 2021		3,629
Fiscal 2022		3,182
Fiscal 2023		3,182
Thereafter		8,467
Total	$	29,644