Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jul. 31, 2024	Jul. 31, 2023
Operating activities
Net income	$ 6,073	$ 48
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation and amortization	1,717	1,791
Deferred tax expense	203	191
Stock-based compensation expense	396	456
Provision on uncollectible accounts	43	8
Loss (gain) from disposal of fixed assets	0	(5)
Changes in operating assets and liabilities
Accounts receivable	6,454	(9,865)
Inventories	(809)	882
Costs and estimated earnings in excess of billings on uncompleted contracts	221	2,495
Accounts payable	(4,487)	8,044
Accrued compensation and payroll taxes	(48)	(1,650)
Customers' deposits	1,810	534
Income taxes payable	(789)	(766)
Prepaid expenses and other current assets	(2,774)	989
Other assets and liabilities	(3,409)	389
Net cash provided by operating activities	2,744	3,533
Investing activities
Capital expenditures	(1,233)	(6,797)
Proceeds from insurance recovery for property and equipment	0	5
Net cash used in investing activities	(1,233)	(6,792)
Financing activities
Proceeds from revolving credit lines	39,540	96,920
Payments of debt on revolving credit lines	(36,887)	(92,091)
Payments of other debt	(117)	(124)
Increase (decrease) in drafts payable	8	(178)
Payments on finance lease obligations	(16)	(154)
Repurchase of common stock	0	(312)
Stock options exercised and taxes paid related to restricted shares vested	(201)	(273)
Net cash provided by financing activities	2,236	3,732
Effect of exchange rate changes on cash, cash equivalents and restricted cash	(106)	61
Net increase in cash, cash equivalents and restricted cash	3,641	534
Cash, cash equivalents and restricted cash - beginning of period	7,240	6,793
Cash, cash equivalents and restricted cash - end of period	10,881	7,327
Supplemental cash flow information
Cash interest paid	1,000	1,302
Cash income taxes paid	2,436	2,234
Fixed assets acquired under finance leases - non-cash	0	139
Fixed assets acquired from non affiliates - non-cash	0	4,357
Finance Lease Obligations [Member]
Financing activities
Payments on finance lease obligations	(16)	(154)
Land and Buildings in Lebanon, Tennessee [Member]
Financing activities
Payments of principal on finance obligation	(91)	(56)
Unbilled Revenues [Member]
Changes in operating assets and liabilities
Unbilled accounts receivable	$ (1,857)	$ (8)