Condensed Consolidated Balance Sheets (Unaudited) (USD $) In Thousands, unless otherwise specified	Jul. 31, 2013	Jan. 31, 2013	Jul. 31, 2012
Current assets:
Cash	$ 2,443	$ 853	$ 3,347
Trade accounts receivable, net	32,088	8,835	32,670
Other receivables	107	108	41
Income tax receivable	304	259	298
Inventories:
Finished goods, net	14,137	4,968	14,439
Work in process, net	12,243	11,041	13,718
Raw materials and supplies, net	10,460	9,308	9,527
Total inventories	36,840	25,317	37,684
Prepaid expenses and other current assets	1,724	1,665	1,897
Total current assets	73,506	37,037	75,937
Property, plant and equipment:
Land	1,671	1,671	1,671
Land improvements	1,213	1,213	1,213
Buildings and building improvements	47,263	47,703	47,794
Machinery and equipment	116,335	119,407	119,591
Leasehold improvements	2,417	2,452	2,456
Total property, plant and equipment	168,899	172,446	172,725
Less accumulated depreciation and amortization	132,204	135,564	134,892
Net property, plant and equipment	36,695	36,882	37,833
Deferred tax assets, net	1,404	1,484	2,005
Other assets	6,722	6,835	6,972
Total assets	118,327	82,238	122,747
Current liabilities:
Accounts payable	17,282	11,864	18,596
Accrued compensation and employee benefits	4,143	3,426	4,051
Current portion of long-term debt	22,668	4,053	20,843
Deferred tax liability	572	572	1,221
Other accrued liabilities	8,110	4,596	8,120
Total current liabilities	52,775	24,511	52,831
Non-current liabilities:
Accrued self-insurance retention	2,614	2,585	2,281
Accrued pension expenses	26,567	26,385	25,248
Income tax payable	98	142	505
Long-term debt, less current portion	6,000	0	6,000
Other accrued liabilities	1,372	1,595	2,436
Total non-current liabilities	36,651	30,707	36,470
Commitments and Contingencies
Preferred stock:
Authorized 3,000,000 shares, $.01 par value; none issued or outstanding	0	0	0
Common stock:
Authorized 25,000,000 shares, $.01 par value; Issued 14,730,319 shares at 7/31/2013; and 14,550,371 shares at 1/31/2013 and 7/31/2012	147	146	145
Additional paid-in capital	115,817	115,670	115,388
Accumulated deficit	(71,077)	(72,810)	(66,759)
Accumulated comprehensive loss	(15,986)	(15,986)	(15,328)
Total stockholders' equity	28,901	27,020	33,446
Total liabilities and stockholders' equity	$ 118,327	$ 82,238	$ 122,747