Discontinued Operations (Details) - Schedule of Disposal Groups Including Discontinued Operations (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Oct. 31, 2014	Oct. 31, 2013	Oct. 31, 2014	Oct. 31, 2013
Schedule of Disposal Groups Including Discontinued Operations [Abstract]
Net sales and revenue		$ 392		$ 1,473
Cost of sales		146	(8)	341
Income before income taxes		471	8	912
Provision for income taxes		(184)	(3)	(356)
Income from discontinued operations, net of tax		287	5	556
Gain on disposal	210	983	217	1,200
Provision for income taxes	(72)	(383)	(81)	(468)
Gain on disposal of discontinued operations, net of tax	$ 138	$ 600	$ 136	$ 732