Intangible Assets (Tables)

12 Months Ended

Jan. 31, 2017

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, 2017							January 31, 2016
(In thousands)	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Miltope:
Customer Contract Relationships	$	3,100	$	(1,108	)	$	1,992	$	3,100	$	(758	)	$	2,342
RITEC:
Customer Contract Relationships		2,830		(207	)		2,623		2,830		(31	)		2,799
Non-Competition Agreement		950		(301	)		649		950		(111	)		839
Intangible assets, net	$	6,880	$	(1,616	)	$	5,264	$	6,880	$	(900	)	$	5,980

Summary of Estimated Amortization Expense

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

(In thousands)	2018		2019		2020		2021		2022
Estimated amortization expense	$	774	$	769	$	803	$	706	$	633