Condensed Consolidated Statements of Income (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Oct. 31, 2013	Oct. 31, 2012	Oct. 31, 2013	Oct. 31, 2012
Income Statement [Abstract]
Net sales	$ 59,454	$ 56,642	$ 136,277	$ 140,702
Costs of goods sold	38,293	37,324	87,121	91,550
Gross profit	21,161	19,318	49,156	49,152
Selling, general and administrative expenses	16,653	16,166	41,572	42,840
Restructuring Charges	791	0	1,266	0
Interest expense	323	395	1,123	1,113
Income (loss) before income taxes	3,394	2,757	5,195	5,199
Income tax expense (benefits)	(14)	(151)	24	71
Net income (loss)	$ 3,408	$ 2,908	$ 5,171	$ 5,128
Net income (loss) per common share :
Basic	$ 0.23	$ 0.20	$ 0.35	$ 0.36
Diluted	$ 0.23	$ 0.20	$ 0.35	$ 0.35
Weighted average shares outstanding:
Basic	14,647	14,441	14,582	14,369
Diluted	14,790	14,629	14,712	14,474