| SCHEDULE OF SEGMENT INFORMATION | 
  SCHEDULE OF SEGMENT INFORMATION 
  
    |   | 
  | 
      | 
  | 
  | 
      | 
  | 
  | 
      | 
  | 
  | 
      | 
  | 
 
    |   | 
  | 
    For the Three Months Ended  July 31, | 
  | 
  | 
    For the Nine Months Ended   July 31, | 
  | 
 
  
    |   | 
  | 
    2024 | 
  | 
  | 
    2023 | 
  | 
  | 
    2024 | 
  | 
  | 
    2023 | 
  | 
 
  
    | Net loss: | 
  | 
      | 
  | 
  | 
  | 
      | 
  | 
  | 
  | 
      | 
  | 
  | 
  | 
      | 
  | 
  | 
 
  
    | CAR-T Therapeutics | 
  | 
    $ | 
(1,145 | 
) | 
  | 
    $ | 
(1,091 | 
) | 
  | 
    $ | 
(4,115 | 
) | 
  | 
    $ | 
(2,999 | 
) | 
 
  
    | Cancer Vaccines | 
  | 
      | 
(2,160 | 
) | 
  | 
      | 
(1,390 | 
) | 
  | 
      | 
(5,628 | 
) | 
  | 
      | 
(3,261 | 
) | 
 
  
    | Other | 
  | 
      | 
(10 | 
) | 
  | 
      | 
(67 | 
) | 
  | 
      | 
(42 | 
) | 
  | 
      | 
(949 | 
) | 
 
  
    | Total | 
  | 
    $ | 
(3,315 | 
) | 
  | 
    $ | 
(2,548 | 
) | 
  | 
    $ | 
(9,785 | 
) | 
  | 
    $ | 
(7,209 | 
) | 
 
  
    | Net income/(loss) | 
  | 
    $ | 
(3,315 | 
) | 
  | 
    $ | 
(2,548 | 
) | 
  | 
    $ | 
(9,785 | 
) | 
  | 
    $ | 
(7,209 | 
) | 
 
    |   | 
  | 
      | 
  | 
  | 
  | 
      | 
  | 
  | 
  | 
      | 
  | 
  | 
  | 
      | 
  | 
  | 
 
  
    | Total operating costs and expenses | 
  | 
    $ | 
3,592 | 
  | 
  | 
    $ | 
2,844 | 
  | 
  | 
    $ | 
10,668 | 
  | 
  | 
    $ | 
8,170 | 
  | 
 
  
    | Less non-cash stock-based compensation | 
  | 
      | 
(1,179 | 
) | 
  | 
      | 
(1,217 | 
) | 
  | 
      | 
(3,699 | 
) | 
  | 
      | 
(3,507 | 
) | 
 
  
    | Operating costs and expenses excluding non-cash stock-based compensation | 
  | 
    $ | 
2,413 | 
  | 
  | 
    $ | 
1,627 | 
  | 
  | 
    $ | 
6,969 | 
  | 
  | 
    $ | 
4,663 | 
  | 
 
  
    | Operating costs and expenses excluding non-cash stock-based compensation: | 
  | 
      | 
  | 
  | 
  | 
      | 
  | 
  | 
  | 
      | 
  | 
  | 
  | 
      | 
  | 
  | 
 
  
    | CAR-T Therapeutics | 
  | 
    $ | 
789 | 
  | 
  | 
    $ | 
713 | 
  | 
  | 
    $ | 
2,943 | 
  | 
  | 
    $ | 
1,930 | 
  | 
 
  
    | Cancer Vaccines | 
  | 
      | 
1,614 | 
  | 
  | 
      | 
855 | 
  | 
  | 
      | 
3,988 | 
  | 
  | 
      | 
1,966 | 
  | 
 
  
    | Other | 
  | 
      | 
10 | 
  | 
  | 
      | 
59 | 
  | 
  | 
      | 
38 | 
  | 
  | 
      | 
767 | 
  | 
 
  
    | Total | 
  | 
    $ | 
2,413 | 
  | 
  | 
    $ | 
1,627 | 
  | 
  | 
    $ | 
6,969 | 
  | 
  | 
    $ | 
4,663 | 
  | 
 
  
    | Operating
    costs and expenses excluding non-cash stock-based compensation | 
  | 
    $ | 
2,413 | 
  | 
  | 
    $ | 
1,627 | 
  | 
  | 
    $ | 
6,969 | 
  | 
  | 
    $ | 
4,663 | 
  | 
 
 
  
  
    |   | 
  | 
    July 31,   2024 | 
  | 
  | 
    October 31,   2023 | 
  | 
 
  
    | Total assets: | 
  | 
      | 
  | 
  | 
  | 
      | 
  | 
  | 
 
  
    | CAR-T Therapeutics | 
  | 
    $ | 
7,493 | 
  | 
  | 
    $ | 
7,523 | 
  | 
 
  
    | Cancer Vaccines | 
  | 
      | 
15,290 | 
  | 
  | 
      | 
17,215 | 
  | 
 
  
    | Other | 
  | 
      | 
125 | 
  | 
  | 
      | 
784 | 
  | 
 
  
    | Total | 
  | 
    $ | 
22,908 | 
  | 
  | 
    $ | 
25,522 | 
  | 
 
  
    | Total
    assets | 
  | 
    $ | 
22,908 | 
  | 
  | 
    $ | 
25,522 | 
  | 
 
 
 |