Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jan. 31, 2015	Jan. 31, 2014	Jan. 31, 2013
Operating activities
Net income (loss)	$ 849	$ (1,730)	$ (3,830)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	4,408	4,209	4,368
Increase (decrease) in provision for doubtful accounts	115	(6)	(75)
Gain on sale of property, plant and equipment	(2)	(10)	(37)
Deferred income taxes	34	97	66
Stock-based compensation	502	523	698
Defined benefit Plan, recognized net gain (loss) due to settlements and curtailments	0	924	760
Amortization of net actuarial loss for pension plans	1,283	1,548	1,629
Changes in operating assets and liabilities:
Trade accounts receivable	(2,261)	376	4,057
Other receivables	9	56	293
Inventories	1,101	(2,464)	2,475
Income taxes	(4)	(105)	(930)
Prepaid expenses and other current assets	915	(58)	567
Accounts payable and accrued liabilities	(5,290)	(3,603)	(2,781)
Net cash provided by (used in) operating activities	1,659	(243)	7,260
Investing activities
Capital expenditures	(3,314)	(3,632)	(2,050)
Proceeds from sale of property, plant and equipment	2	19	53
Net investment in life insurance	(70)	(25)	244
Net cash (used in) provided by investing activities	(3,382)	(3,638)	(1,753)
Financing activities
Proceeds from long-term debt	33,750	28,851	28,422
Repayment of long-term debt	(32,479)	(24,656)	(35,876)
Common stock repurchased	(129)	(116)	(97)
Cash dividend paid	0	0	0
Net cash provided by (used in) financing activities	1,142	4,079	(7,551)
Net (decrease) increase in cash	(581)	198	(2,044)
Cash at beginning of year	1,051	853	2,897
Cash at end of year	470	1,051	853
Interest	1,454	1,302	1,556
Income tax, net	$ 46	$ 74	$ 12