Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended
	Apr. 30, 2025	Apr. 30, 2024
Cash flows from operating activities:
Net income (loss)	$ (970,000)	$ 954,000
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	225,000	267,000
Stock-based compensation	272,000	48,000
Provision for inventory obsolescence	15,000	23,000
Changes in:
Accounts receivable	3,969,000	(2,837,000)
Unbilled revenue	16,000	(10,000)
Inventories	282,000	(2,812,000)
Prepaid expenses and other current and long-term assets	(92,000)	100,000
Income taxes receivable and payable	208,000	(186,000)
Accounts payable, accrued expenses and other current liabilities	(386,000)	277,000
Deferred revenue and customer deposits	529,000	(120,000)
Net cash provided by (used in) operating activities	4,068,000	(4,753,000)
Cash flows from investing activities:
Purchases of property and equipment	(237,000)	(66,000)
Sale of other equipment	0	457,000
Net cash (used in) provided by investing activities	(237,000)	391,000
Cash flows from financing activities:
Net cash provided by financing activities	0	0
Effect of changes in foreign exchange rates on cash and cash equivalents	5,000	(3,000)
Net change in cash and cash equivalents	3,836,000	(4,365,000)
Cash and cash equivalents, beginning of period	5,336,000	5,289,000
Cash and cash equivalents, end of period	9,172,000	924,000
Supplemental cash flow information:
Income taxes paid	80,000	430,000
Other Machinery and Equipment [Member]
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Gross profit from sale of equipment	$ 0	$ (457,000)