CONSOLIDATED STATEMENT OF OPERATIONS (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
Net sales	$ 57,967	$ 47,236	$ 173,460	$ 132,137
Cost of sales	41,080	38,560	130,423	109,530
Gross profit	16,887	8,676	43,037	22,607
Operating expenses
General and administrative expenses	7,953	5,760	20,760	17,466
Selling expenses	2,554	2,731	8,184	7,978
Total operating expenses	10,507	8,491	28,944	25,444
Income (loss) from operations	6,380	185	14,093	(2,837)
Income from joint venture	715	531	248	354
Interest expense, net	190	513	1,082	1,148
Income (loss) from continuing operations before income taxes	6,905	203	13,259	(3,631)
Income tax expense (benefit)	92	74	(99)	159
Income (loss) from continuing operations	6,813	129	13,358	(3,790)
Income from discontinued operations, net of tax	578	326	9,510	832
Net income (loss)	$ 7,391	$ 455	$ 22,868	$ (2,958)
Weighted average number of shares outstanding
Basic	7,068	6,924	6,995	6,921
Diluted	7,163	6,924	7,041	6,921
Earnings (loss) per share from continuing operations
Basic	$ 0.96	$ 0.02	$ 1.91	$ (0.55)
Diluted	$ 0.95	$ 0.02	$ 1.90	$ (0.55)
Earnings per share discontinued operations
Basic	$ 0.08	$ 0.05	$ 1.36	$ 0.12
Diluted	$ 0.08	$ 0.05	$ 1.35	$ 0.12
Earnings (loss) per share
Basic	$ 1.05	$ 0.07	$ 3.27	$ (0.43)
Diluted	$ 1.03	$ 0.07	$ 3.25	$ (0.43)