Quarterly report [Sections 13 or 15(d)]

BUSINESS AND FUNDING (Details Narrative)

v3.26.1
BUSINESS AND FUNDING (Details Narrative) - USD ($)
3 Months Ended 6 Months Ended
Apr. 30, 2026
Apr. 30, 2025
Apr. 30, 2026
Apr. 30, 2025
Oct. 31, 2025
BusinessAndFundingLineItems [Line Items]          
Cash, cash equivalents and short-term investments $ 13,686,000   $ 13,686,000   $ 15,174,000
Reduction in cash, cash equivalents and short-term investments     1,488,000    
Value of common stock issued $ 1,245,000 $ 14,000 2,870,000 $ (3,000)  
At the Market Equity Offering [Member]          
BusinessAndFundingLineItems [Line Items]          
Value of common stock issued     $ 2,870,000    
Number of common stock issued     887,134    
Value of additional shares available for sale     $ 97,000,000    
The Wistar Institute [Member]          
BusinessAndFundingLineItems [Line Items]          
Percentage of common stock issued 5.00%   5.00%    
Equity stake percentage 3.90%   3.90%