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Condensed Consolidated Balance Sheets (Unaudited) - USD ($)
Nov. 30, 2023
May 31, 2023
Current Assets:    
Cash and cash equivalents $ 7,134,000 $ 9,719,000
Accounts receivable, net 1,067,000 722,000
Inventories, net 1,841,000 2,056,000
Prepaid expenses and other 223,000 300,000
Total current assets 10,265,000 12,797,000
Property and equipment, net of accumulated depreciation and amortization 210,000 213,000
Right-of-use assets, net of accumulated amortization of $761,000 and $617,000 as of November 30, 2023 and May 31, 2023, respectively 891,000 1,035,000
Investments 165,000 165,000
Intangible assets, net of accumulated amortization 204,000 165,000
Other assets 96,000 79,000
Total Assets 11,831,000 14,454,000
Current Liabilities:    
Accounts payable and accrued expenses 783,000 892,000
Accrued compensation 668,000 696,000
Advance from customers 60,000 60,000
Lease liabilities, current portion 311,000 297,000
Total current liabilities 1,822,000 1,945,000
Lease liabilities, net of current portion 626,000 785,000
Total Liabilities 2,448,000 2,730,000
Commitments and contingencies (Note 6)
Shareholders’ Equity:    
Preferred stock, value
Common stock, $0.08 par value, 25,000,000 shares authorized, 16,821,646 issued and outstanding at November 30, 2023 and May 31, 2023, respectively 1,346,000 1,346,000
Additional paid-in-capital 52,997,000 52,705,000
Accumulated other comprehensive loss (104,000) (110,000)
Accumulated deficit (44,856,000) (42,217,000)
Total Shareholders’ Equity 9,383,000 11,724,000
Total Liabilities and Shareholders’ Equity 11,831,000 14,454,000
Series A Preferred Stock [Member]    
Shareholders’ Equity:    
Preferred stock, value