Intangible Assets (Tables)

12 Months Ended

Jan. 31, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

Fair Value of Acquired Identifiable Intangible Assets and Related Estimated Useful Lives

Intangible assets are as follows:

	January 31, 2016							January 31, 2015
(In thousands)	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Miltope:
Customer Contract Relationships	$	3,100	$	(758	)	$	2,342	$	3,100	$	(402	)	$	2,698
Backlog		—		—			—		300		(300	)		—
RITEC:
Customer Contract Relationships		2,830		(31	)		2,799		—		—			—
Non-Competition Agreement		950		(111	)		839		—		—			—
Intangible assets, net	$	6,880	$	(900	)	$	5,980	$	3,400	$	(702	)	$	2,698

Summary of Estimated Amortization Expense

Estimated amortization expense for the next five years is as follows:

(In thousands)	2017		2018		2019		2020		2021
Estimated amortization expense	$	715	$	774	$	769	$	803	$	706