Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2017	Jan. 31, 2016	Jan. 31, 2015
Operating activities
Net income	$ 22,760	$ 4,549	$ 849
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	5,026	4,757	4,408
Increase in provision for doubtful accounts	160	141	115
Increase (decrease) in inventory reserve	626	350	(275)
(Gain) loss on sale of property, plant and equipment	(2)	9	(2)
Deferred income taxes	(18,122)	77	34
Stock-based compensation	609	493	502
Defined benefit plan, recognized net loss due to settlements	0	587	0
Amortization of net actuarial loss for pension plans	1,328	2,013	1,283
Changes in operating assets and liabilities:
Trade accounts receivable	14	544	(2,261)
Other receivables	(182)	10	9
Inventories	(1,712)	(8,275)	1,376
Income taxes	41	(54)	(4)
Prepaid expenses and other current assets	(536)	(532)	915
Accounts payable and accrued liabilities	(4,148)	2,838	(5,290)
Net cash provided by operating activities	5,862	7,507	1,659
Investing activities
Capital expenditures	(4,408)	(4,261)	(3,314)
Proceeds from sale of property, plant and equipment	2	8	2
Net (investments in) proceeds from life insurance	(65)	56	(70)
Net cash used in investing activities	(4,471)	(4,197)	(3,382)
Financing activities
Proceeds from long-term debt	37,447	31,960	33,750
Repayment of long-term debt	(38,601)	(34,719)	(32,479)
Common stock repurchased	(264)	(206)	(129)
Net cash (used in) provided by financing activities	(1,418)	(2,965)	1,142
Net (decrease) increase in cash	(27)	345	(581)
Cash at beginning of year	815	470	1,051
Cash at end of year	788	815	470
Interest	1,217	1,281	1,454
Income tax, net of refunds	$ 49	$ 72	$ 46