Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2016	Jan. 31, 2015	Jan. 31, 2014
Operating activities
Net income (loss)	$ 4,549	$ 849	$ (1,730)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	4,757	4,408	4,209
Increase (decrease) in provision for doubtful accounts	141	115	(6)
Increase (decrease) in inventory reserve	350	(275)	(100)
Loss (gain) on sale of property, plant and equipment	9	(2)	(10)
Deferred income taxes	77	34	97
Stock-based compensation	493	502	523
Defined benefit plan, recognized net loss due to settlements	587	0	924
Amortization of net actuarial loss for pension plans	2,013	1,283	1,548
Changes in operating assets and liabilities:
Trade accounts receivable	544	(2,261)	376
Other receivables	10	9	56
Inventories	(8,275)	1,376	(2,364)
Income taxes	(54)	(4)	(105)
Prepaid expenses and other current assets	(532)	915	(58)
Accounts payable and accrued liabilities	2,838	(5,290)	(3,603)
Net cash provided by (used in) operating activities	7,507	1,659	(243)
Investing activities
Capital expenditures	(4,261)	(3,314)	(3,632)
Proceeds from sale of property, plant and equipment	8	2	19
Net proceeds from (investments in) life insurance	56	(70)	(25)
Net cash (used in) provided by investing activities	(4,197)	(3,382)	(3,638)
Financing activities
Proceeds from long-term debt	31,960	33,750	28,851
Repayment of long-term debt	(34,719)	(32,479)	(24,656)
Common stock repurchased	(206)	(129)	(116)
Cash dividend paid	0	0	0
Net cash (used in) provided by financing activities	(2,965)	1,142	4,079
Net (decrease) increase in cash	345	(581)	198
Cash at beginning of year	470	1,051	853
Cash at end of year	815	470	1,051
Interest	1,281	1,454	1,302
Income tax, net of refunds	$ 72	$ 46	$ 74