Unaudited Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jul. 31, 2023	Jul. 31, 2022
Operating activities
Net income	$ 14,092	$ 4,596
Adjustments to reconcile net income to net cash used in operating activities:
Depreciation and amortization	2,455	2,259
Non-cash lease benefits	(340)	(265)
Provision for doubtful accounts	30	35
Amortization of debt issuance costs	55	69
Deferred income taxes	700	(89)
Stock-based compensation	252	406
Amortization of net actuarial loss for pension plans	0	270
Non-cash unrealized (gain) loss on investment	(624)	305
Surrender of life insurance policies	(95)	0
Changes in operating assets and liabilities:
Trade accounts receivable	(50,187)	(26,552)
Other receivables	10	23
Inventories	(4,447)	(13,855)
Income taxes	3,346	43
Prepaid expenses and other current assets	(134)	(91)
Accounts payable and accrued liabilities	13,737	12,876
Net cash used in operating activities	(21,150)	(19,970)
Investing activities:
Capital expenditures	(2,795)	(1,524)
Purchases of marketable securities in trust accounts	0	(4,856)
Proceeds from sale of marketable securities in trust accounts	0	2,112
Proceeds from surrendering life insurance policies	0	2,744
Net cash used in investing activities	(2,795)	(1,524)
Financing activities:
Borrowing from long-term debt	35,688	28,352
Repayment of long-term debt	(10,915)	(5,625)
Payment on deferred financing costs	(175)	(200)
Tax withholding payments on share-based compensation	(110)	(213)
Net cash provided by financing activities	24,488	22,314
Net increase in cash	543	820
Cash at beginning of period	1,057	1,359
Cash at end of period	$ 1,600	$ 2,179