Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	6 Months Ended
	Nov. 30, 2025	Nov. 30, 2024
Cash flows from operating activities:
Net loss	$ (1,318,000)	$ (2,266,000)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	40,000	43,000
Provision for allowance for credit losses	70,000	8,000
Inventory reserve	(37,000)	2,000
Share-based compensation	250,000	232,000
Amortization of right-of-use asset	165,000	154,000
Changes in assets and liabilities:
Accounts receivable	(285,000)	(387,000)
Inventories	2,000	585,000
Prepaid expenses and other	78,000	(9,000)
Other assets	16,000	6,000
Accounts payable and accrued expenses	70,000	(290,000)
Accrued compensation	(110,000)	(54,000)
Advances from customers	(25,000)
Reduction in lease liabilities	(175,000)	(159,000)
Net cash used in operating activities	(1,259,000)	(2,135,000)
Cash flows from investing activities:
Expenditures related to intangibles		(33,000)
Net cash used in investing activities		(33,000)
Cash flows from financing activities:
Gross proceeds from sale of common stock	1,432,000	392,000
Costs from sale of common stock	(30,000)	(36,000)
Deferred offering costs		24,000
Net cash provided by financing activities	1,402,000	380,000
Effect of exchange rate changes on cash	1,000	(10,000)
Net increase (decrease) in cash and cash equivalents	144,000	(1,798,000)
Cash and cash equivalents at beginning of period	2,399,000	4,170,000
Cash and cash equivalents at end of period	2,543,000	2,372,000
Cash paid during the period for:
Income taxes	9,000
Non-cash investing and financing activities:
Deferred offering costs	7,000
Stock issuance receivable		$ 211,000