Intangible Assets

6 Months Ended

Jul. 31, 2019

Intangible Assets, Net (Excluding Goodwill) [Abstract]

Intangible Assets

Intangible Assets

The following schedule presents the details of intangible assets as of July 31, 2019 (dollar amounts in thousands):

	July 31, 2019
	Gross carrying amount		Accumulated amortization			Net	Remaining useful life (in years)
Existing technology	$	3,880	$	(3,853	)	27	0.7
Database	4,939		(4,699		)	240	0.7
Customer contracts and relationships	33,643		(14,027		)	19,616	6.2
Software	10,867		(9,312		)	1,555	0.7
Brand	1,141		(1,141		)	—	0.0
	$	54,470	$	(33,032	)	21,438

The following schedule presents the details of intangible assets as of January 31, 2019 (dollar amounts in thousands):

	January 31, 2019
	Gross carrying amount		Accumulated amortization			Net	Remaining useful life (in years)
Existing technology	$	3,880	$	(3,834	)	46	1.2
Database	4,939		(4,521		)	418	1.2
Customer contracts and relationships	33,643		(12,350		)	21,293	6.6
Software	10,867		(8,156		)	2,711	1.2
Brand	1,141		(1,088		)	53	0.2
	$	54,470	$	(29,949	)	24,521

Amortization expense associated with intangible assets was $1.5 million and $3.1 million for the three and six months ended July 31, 2019, respectively, and $1.8 million and $3.6 million for the three and six months ended July 31, 2018.

The estimated amortization expense for intangible assets, for the next five years and thereafter is as follows as of July 31, 2019 (in thousands):

Period	Estimated amortization expense
Remaining for Fiscal 2020	$	2,979
Fiscal 2021	3,629
Fiscal 2022	3,182
Fiscal 2023	3,182
Fiscal 2024	3,182
Thereafter	5,284
Total	$	21,438