Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jan. 31, 2014	Jan. 31, 2013	Jan. 31, 2012
Operating activities
Net income (loss)	$ (1,730)	$ (3,830)	$ (13,803)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	4,209	4,368	5,021
Provision for doubtful accounts	(6)	(75)	196
(Gain) loss on sale of property, plant and equipment	(10)	(37)	(1)
Deferred income taxes	97	66	228
Stock-based compensation	523	698	735
Pension settlement	924	760	1,992
Changes in operating assets and liabilities:
Trade accounts receivable	376	4,057	(2,476)
Other receivables	56	293	(233)
Inventories	(2,464)	2,475	7,579
Income taxes	(105)	(930)	(369)
Prepaid expenses and other current assets	(58)	567	(31)
Accounts payable and accrued liabilities	(2,055)	(1,152)	378
Net cash provided by (used in) operating activities	(243)	7,260	(784)
Investing activities
Capital expenditures	(3,632)	(2,050)	(2,159)
Proceeds from sale of property, plant and equipment	19	53	2
Net investment in life insurance	(25)	244	170
Net cash provided by (used in) investing activities	(3,638)	(1,753)	(1,987)
Financing activities
Proceeds from long-term debt	28,851	28,422	29,263
Repayment of long-term debt	(24,656)	(35,876)	(24,287)
Common stock repurchased	(116)	(97)	(126)
Cash dividend paid	0	0	(710)
Net cash provided by (used in) financing activities	4,079	(7,551)	4,140
Net increase (decrease) in cash	198	(2,044)	1,369
Cash at beginning of year	853	2,897	1,528
Cash at end of year	1,051	853	2,897
Interest	1,302	1,556	1,122
Income tax, net	74	12	32
Decrease in accrued asset retirement obligations	$ 0	$ 0	$ (100)