v3.24.4
Consolidated Balance Sheets - USD ($)
Oct. 31, 2024
Oct. 31, 2023
Current assets:    
Cash and cash equivalents $ 1,271,000 $ 915,000
Short–term investments 18,653,000 22,929,000
Receivables 173,000 270,000
Prepaid expenses and other current assets 1,265,000 1,242,000
Total current assets 21,362,000 25,356,000
Operating lease right-of-use asset 229,000 166,000
Total assets 21,591,000 25,522,000
Current liabilities:    
Accounts payable 525,000 206,000
Accrued expenses 1,946,000 1,770,000
Operating lease liability 29,000 52,000
Total current liabilities 2,500,000 2,028,000
Operating lease liability, non-current 203,000 123,000
Total liabilities 2,703,000 2,151,000
Commitments and contingencies (Note 6)
Equity:    
Preferred stock, value
Common stock, par value $.01 per share; 100,000,000 shares authorized; 32,196,862 and 31,145,219 shares issued and outstanding as of October 31, 2024 and 2023, respectively 322,000 311,000
Additional paid-in capital 260,432,000 252,222,000
Accumulated deficit (240,750,000) (228,196,000)
Treasury stock, 2,000 shares at cost (6,000)
Total shareholders’ equity 19,998,000 24,337,000
Noncontrolling interest (Note 2) (1,110,000) (966,000)
Total equity 18,888,000 23,371,000
Total liabilities and equity 21,591,000 25,522,000
Series A Convertible Preferred Stock [Member]    
Equity:    
Preferred stock, value

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v3.24.4
Consolidated Statements of Operations - USD ($)
$ in Thousands
 12 Months Ended
Oct. 31, 2024
Oct. 31, 2023
Income Statement [Abstract]    
Revenue $ 210
Operating costs and expenses:    
Inventor royalties, contingent legal fees, litigation and licensing expenses 161
Research and development expenses (including non-cash stock-based compensation expenses of $1,859 and $2,037, respectively) 6,396 4,769
General and administrative expenses (including non-cash stock-based compensation expenses of $2,923 and $2,698, respectively) 7,435 6,291
Total operating costs and expenses 13,831 11,221
Loss from operations (13,831) (11,011)
Interest income 1,133 1,081
Net loss (12,698) (9,930)
Less: Net loss attributable to noncontrolling interest (144) (119)
Net loss attributable to common shareholders $ (12,554) $ (9,811)
Net loss per share:    
Basic $ (0.39) $ (0.32)
Diluted $ (0.39) $ (0.32)
Weighted average common shares outstanding:    
Basic 31,898 30,980
Diluted 31,898 30,980

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v3.24.4
Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
 12 Months Ended
Oct. 31, 2024
Oct. 31, 2023
Reconciliation of net loss to net cash used in operating activities:    
Net loss $ (12,698) $ (9,930)
Stock option compensation to employees and directors 4,420 4,422
Stock options issued to consultants 125 221
Common stock issued to consultants 255 92
Amortization of operating lease right-of-use asset 37 46
Change in operating assets and liabilities:    
Receivables 97 (224)
Prepaid expenses and other current assets (23) (775)
Accounts payable 319 (59)
Accrued expenses 176 44
Operating lease liability (43) (46)
Net cash used in operating activities (7,335) (6,209)
Cash flows from investing activities:    
Disbursements to acquire short-term investments (63,770) (44,411)
Proceeds from maturities of short-term investments 68,046 38,809
Net cash provided by (used in) investing activities 4,276 (5,602)
Cash flows from financing activities:    
Proceeds from sale of common stock in an at-the-market offering, net of offering expenses of $168 2,955
Proceeds from sale of common stock pursuant to employee stock purchase plan 10 13
Proceeds from exercise of stock options 456 353
Disbursements for purchases of treasury stock (6)
Net cash provided by financing activities 3,415 366
Net increase (decrease) in cash and cash equivalents 356 (11,445)
Cash and cash equivalents at beginning of year 915 12,360
Cash and cash equivalents at end of year 1,271 915
Supplemental cash flow information:    
Cash proceeds from interest income 1,230 838
Supplemental disclosure of non-cash investing activity:    
Modification to operating lease right-of-use asset (100)
Supplemental disclosure of non-cash financing activity:    
Modification to operating lease liability $ 100

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