Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	May 31, 2025	May 31, 2024
Cash flows from operating activities:
Net loss	$ (4,973,000)	$ (5,978,000)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	87,000	81,000
Provision (recovery) for allowance for credit losses	8,000	(10,000)
Provision (recovery) for inventory reserves	4,000	(205,000)
Share-based compensation	460,000	837,000
Amortization of right-of-use asset	313,000	293,000
Changes in assets and liabilities:
Accounts receivable	209,000	(215,000)
Inventories	882,000	(115,000)
Prepaid expenses and other	(17,000)	62,000
Other assets	8,000	(44,000)
Accounts payable and accrued expenses	(466,000)	246,000
Accrued compensation	1,000	(41,000)
Advances from customers	(30,000)	25,000
Reduction in lease liabilities	(327,000)	(297,000)
Net cash used in operating activities	(3,841,000)	(5,361,000)
Cash flows from investing activities:
Purchases of property and equipment		(51,000)
Expenditures related to intangibles	(37,000)	(64,000)
Net cash used in investing activities	(37,000)	(115,000)
Cash flows from financing activities:
Gross proceeds from sale of common stock	2,143,000
Deferred offering costs	(3,000)	(81,000)
Costs from sale of common stock	(44,000)
Proceeds from exercise of stock options	15,000
Net cash provided by (used in) financing activities	2,111,000	(81,000)
Effect of exchange rate changes in cash	(3,000)	8,000
Net decrease in cash and cash equivalents	(1,770,000)	(5,549,000)
Cash and cash equivalents at beginning of year	4,170,000	9,719,000
Cash and cash equivalents at end of year	2,400,000	4,170,000
Cash paid during the year for:
Income taxes	10,000	41,000
Non-cash investing and financing activities:
Deferred Offering Costs	$ 84,000