Other Intangible Assets (Tables)

3 Months Ended

Apr. 30, 2013

Other Intangible Assets [Abstract]

Intangible assets

		April 30, 2013						January 31,
	Estimated Useful Life	Gross Carrying Amount		Accumulated Amortization		Net Amount		2013 Net Amount
Trade name—GPS	15 years	$	3,643,000	$	1,554,000	$	2,089,000	$	2,150,000
Trade name—SMC	Indefinite		181,000		—		181,000		181,000
Intangible assets, net		$	3,824,000	$	1,554,000	$	2,270,000	$	2,331,000