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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)
 9 Months Ended
Jul. 31, 2025
Jul. 31, 2024
CASH FLOWS FROM OPERATING ACTIVITIES    
Net loss $ (4,706,000) $ (3,451,000)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation and amortization expense 53,000 56,000
Amortization of OID and commitment fee discount – Promissory notes 18,000 18,000
Stock-based compensation 3,937,000 2,751,000
Reserve of non- marketable securities – related party 45,000
Change in obligation to repurchase shares 2,000
Write-off of advances payable to former officer (221,000)
Changes in operating assets and liabilities:    
Accounts receivable, net of allowance for bad debts 194,000 (2,000)
Other receivable 2,000
Prepaid expenses (237,000) (233,000)
Inventories (26,000) 60,000
Accounts payable and accrued expenses 603,000 (721,000)
Security deposits 7,000
Deferred revenue (175,000) 607,000
Net cash used in operating activities (335,000) (1,084,000)
CASH FLOWS FROM INVESTING ACTIVITIES    
Purchase of fixed assets (23,000)
Investment in non-marketable equity securities – related party (45,000)
Net cash used in financing activities (23,000) (45,000)
CASH FLOWS FROM FINANCING ACTIVITIES    
Proceeds from sale of common stock 500,000
Proceeds from exercise of warrants 50,000
Payments on finance leases (35,000) (22,000)
Net cash provided by financing activities 15,000 478,000
Decrease in cash (343,000) (651,000)
Cash at beginning of period 657,000 1,756,000
Cash at end of period 314,000 1,105,000
SUPPLEMENTAL CASH FLOW INFORMATION:    
Cash paid for taxes
Cash paid for interest 3,000
NON-CASH INVESTING AND FINANCING TRANSACTIONS:    
Reduction in accounts payable for equipment returned to vendor 21,000
Exchange of shares for payables 20,000
Finance lease obligations 140,000
Stock issued – Purchase of BioLumina assets 58,000
Royalty payable in connection with purchase of BioLumina assets 100,000
Obligation to repurchase shares in connection with purchase of BioLumina assets $ 16,000