Consolidated Balance Sheets - USD ($)	May 31, 2024	May 31, 2023
Current Assets:
Cash and cash equivalents	$ 4,170,000	$ 9,719,000
Accounts receivable, net	947,000	722,000
Inventories, net	2,376,000	2,056,000
Prepaid expenses and other	238,000	300,000
Total current assets	7,731,000	12,797,000
Property and equipment, net of accumulated depreciation and amortization	201,000	213,000
Right-of-use assets, net of accumulated amortization of $910,000 and $617,000 as of May 31, 2024 and 2023, respectively	742,000	1,035,000
Investments	165,000	165,000
Intangible assets, net of accumulated amortization of $48,000 and $30,000 as of May 31, 2024 and 2023, respectively	212,000	165,000
Other assets	203,000	79,000
Total Assets	9,254,000	14,454,000
Current Liabilities:
Accounts payable and accrued expenses	1,138,000	892,000
Accrued compensation	655,000	696,000
Advances from customers	85,000	60,000
Lease liabilities, current portion	326,000	297,000
Total current liabilities	2,204,000	1,945,000
Lease liabilities, net of current portion	459,000	785,000
Total Liabilities	2,663,000	2,730,000
Commitments and contingencies (Note 9)
Shareholders’ Equity:
Preferred stock, undesignated, no par value, 4,428,571 shares authorized, none issued and outstanding as of May 31, 2024 and 2023
Common stock, $0.08 par value, 25,000,000 shares authorized, 16,821,646 issued and outstanding at May 31, 2024 and 2023, respectively	1,346,000	1,346,000
Additional paid-in capital	53,542,000	52,705,000
Accumulated other comprehensive loss	(102,000)	(110,000)
Accumulated deficit	(48,195,000)	(42,217,000)
Total Shareholders’ Equity	6,591,000	11,724,000
Total Liabilities and Shareholders’ Equity	9,254,000	14,454,000
Series A Preferred Stock [Member]
Shareholders’ Equity:
Preferred stock, undesignated, no par value, 4,428,571 shares authorized, none issued and outstanding as of May 31, 2024 and 2023