Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Apr. 30, 2024	Apr. 30, 2023
Cash flows from operating activities:
Net income (loss)	$ 954	$ (240)
Adjustments to reconcile net income (loss) to net cash used in operating activities:
Depreciation and amortization	267	481
Stock-based compensation	48	50
Provision for inventory obsolescence	23	0
Changes in:
Accounts receivable	(2,837)	(3,462)
Unbilled revenue	(10)	11
Inventories	(2,812)	979
Prepaid expenses and other current and long-term assets	100	1,308
Income taxes receivable and payable	(186)	206
Accounts payable, accrued expenses and other current liabilities	277	(2,788)
Deferred revenue and customer deposits	(120)	606
Net cash used in operating activities	(4,753)	(2,987)
Cash flows from investing activities:
Purchases of property and equipment	(66)	(57)
Sale of other equipment	457	138
Net cash provided by investing activities	391	81
Cash flows from financing activities:
Net proceeds from short-term loan	0	2,945
Net cash provided by financing activities	0	2,945
Effect of changes in foreign exchange rates on cash and cash equivalents	(3)	(2)
Net change in cash and cash equivalents	(4,365)	37
Cash and cash equivalents, beginning of period	5,289	778
Cash and cash equivalents, end of period	924	815
Supplemental cash flow information:
Interest paid	0	204
Income taxes paid	430	189
Other Machinery and Equipment [Member]
Adjustments to reconcile net income (loss) to net cash used in operating activities:
Gross profit from sale of equipment	$ (457)	$ (138)