Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Oct. 31, 2025	Oct. 31, 2024
Cash flows from operating activities:
Net income	$ 1,021	$ 3,043
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	653	724
Stock-based compensation	836	141
Provision for inventory obsolescence	45	67
Deferred tax benefit	(153)	0
Changes in:
Accounts receivable	1,228	(3,006)
Unbilled revenue	(20)	164
Inventories	1,986	(3,944)
Prepaid expenses and other current and long-term assets	145	2,076
Income taxes receivable and payable	(51)	(24)
Accounts payable, accrued expenses and other current liabilities	(652)	98
Deferred revenue and customer deposits	(1,235)	(289)
Net cash provided by (used in) operating activities	3,803	(1,407)
Cash flows from investing activities:
Purchases of property and equipment	(512)	(213)
Sale of other equipment	0	457
Net cash (used in) provided by investing activities	(512)	244
Cash flows from financing activities:
Preferred stock conversion transaction costs	0	(619)
Net proceeds from issuance of common stock	10,754	0
Net cash provided by (used in) financing activities	10,754	(619)
Effect of changes in foreign exchange rates on cash and cash equivalents	6	(2)
Net change in cash and cash equivalents	14,051	(1,784)
Cash and cash equivalents, beginning of period	5,336	5,289
Cash and cash equivalents, end of period	19,387	3,505
Supplemental cash flow information:
Income taxes paid	1,903	1,411
Other Machinery and Equipment [Member]
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Gross profit from sale of equipment	$ 0	$ (457)