v3.26.3
Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
 3 Months Ended
Aug. 31, 2026
Aug. 31, 2025
Cash flows from operating activities:    
Net (loss) income $ (1,232,000) $ 2,000
Adjustments to reconcile net (loss) income to net cash used in operating activities:    
Depreciation and amortization 15,000 20,000
Provision for expected credit losses 3,000 38,000
(Recovery of) provision for excess and obsolete inventory (24,000) 7,000
Share-based compensation 134,000 133,000
Amortization of operating lease right-of-use assets 64,000 82,000
Changes in assets and liabilities:    
Accounts receivable (115,000) (512,000)
Inventories 97,000 10,000
Prepaid expenses and other current assets 71,000 87,000
Other assets 2,000 5,000
Accounts payable and accrued expenses 216,000 10,000
Accrued compensation 60,000 (63,000)
Advances from customers (36,000) (1,000)
Reduction in lease liabilities (57,000) (86,000)
Net cash used in operating activities (802,000) (268,000)
Cash flows from financing activities:    
Gross proceeds from sale of common stock 2,231,000 939,000
Costs from sale of common stock (19,000)
Net cash provided by financing activities 2,231,000 920,000
Effect of exchange rate changes on cash (4,000) 2,000
Net increase in cash and cash equivalents 1,425,000 654,000
Cash and cash equivalents at beginning of period 1,308,000 2,399,000
Cash and cash equivalents at end of period 2,733,000 3,053,000
Cash paid during the period for:    
Income taxes 6,000 3,000
Non-cash investing and financing activities:    
Common stock issuance costs accrued and unpaid and charged against additional paid-in capital 111,000
Deferred offering costs 8,000
Write-off of property and equipment, cost 7,000
Write-off of property and equipment, accumulated depreciation $ 7,000