Condensed Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Oct. 31, 2012	Oct. 31, 2011	Oct. 31, 2012		Oct. 31, 2011
Income Statement [Abstract]
Net sales	$ 56,642	$ 53,074	$ 140,702		$ 140,147
Costs of goods sold	37,324	37,033	91,550		97,446
Gross profit	19,318	16,041	49,152		42,701
Selling, general and administrative expenses	16,166	14,966	42,840		43,616
Restructuring charges	0	3,901			3,901
Interest expense	395	298	1,113		905
Income (loss) before income taxes	2,757	(3,124)	5,199		(5,721)
Income tax expense (benefits)	(151)	175	71		246
Net income (loss)	$ 2,908	$ (3,299)	$ 5,128		$ (5,967)
Cash			$ 0.00		$ 0.05
Net income (loss) per common share (a) :
Basic	$ 0.20	$ (0.23)	$ 0.36	[1]	$ (0.42)	[1]
Diluted	$ 0.20	$ (0.23)	$ 0.35	[1]	$ (0.42)	[1]
Weighted average shares outstanding:
Basic	14,441	14,285	14,369		14,241
Diluted	14,629	14,285	14,474		14,241

[1] Net income per common share for the nine months ended October 31, 2012 was calculated based on the basic and diluted shares outstanding. Net loss per common share for the nine months ended October 31, 2011 was calculated only based on basic shares outstanding due to the anti-dilutive effect on the inclusion of common stock equivalent shares.