Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jan. 31, 2013	Jan. 31, 2012
Current assets:
Cash	$ 853	$ 2,897
Trade accounts receivables (net of allowance for doubtful accounts of $275 and $350 at January 31, 2013 and 2012)	8,760	12,743
Other receivables	108	401
Income tax receivable	259	324
Inventories:
Finished goods, net	4,968	6,273
Work in process, net	11,041	10,623
Raw materials and supplies, net	9,308	10,895
Total inventories	25,317	27,791
Prepaid expenses and other current assets	1,665	1,652
Total current assets	36,962	45,808
Property, plant and equipment:
Land	1,671	1,671
Land improvements	1,213	1,213
Buildings and building improvements	47,703	47,797
Machinery and equipment	119,407	120,181
Leasehold improvements	2,452	2,549
Total property, plant and equipment	172,446	173,411
Less accumulated depreciation and amortization	135,564	134,203
Net property, plant and equipment	36,882	39,208
Deferred tax assets, net	1,484	2,200
Other assets	6,835	7,009
Total assets	82,163	94,225
Current liabilities:
Accounts payable	11,864	11,684
Accrued compensation and employee benefits	3,426	3,797
Current portion of long-term debt	4,053	5,497
Deferred tax liabilities	572	1,221
Other accrued liabilities	4,521	5,011
Total current liabilities	24,436	27,210
Non-current liabilities:
Accrued self-insurance retention	2,585	1,915
Accrued pension expenses	26,385	25,069
Income tax payable	142	488
Non-current portion	0	6,011
Other accrued liabilities	1,595	2,636
Total non-current liabilities	30,707	36,119
Commitments and contingencies
Preferred stock:
Authorized 3,000,000 shares, $.01 par value; none issued or outstanding	0	0
Common stock:
Authorized 25,000,000 shares, $.01 par value; issued and outstanding 14,550,371 shares in 2012 and 14,354,046 shares in 2011	146	144
Additional paid-in capital	115,670	115,060
Accumulated deficit	(72,810)	(68,980)
Accumulated other comprehensive loss	(15,986)	(15,328)
Total stockholders’ equity	27,020	30,896
Total liabilities and stockholders’ equity	$ 82,163	$ 94,225