CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Jan. 31, 2024	Jan. 31, 2023
Operating expenses:
Research and development	$ 5,638	$ 3,671
General and administrative	5,135	962
Total operating expenses	10,773	4,633
Loss from operations	10,773	4,633
Other (income) expense, net:
Change in fair value of convertible debentures embedded derivative liabilities		307
Change in fair value of warrant liabilities		1,185
Interest income	(1,025)	(167)
Interest Expense	563	1,175
Loss on extinguishment of debt	366
Other expense, net	64	285
Total other (income) expense, net	(32)	2,785
Net loss before provision for income taxes	10,741	7,418
Provision for (benefit from) income taxes	(30)	0
Net loss and comprehensive loss	10,711	7,418
Deemed dividend attributable to redeemable convertibleb preferred shareholders		1,234
Net loss attributable to common shareholders, basic	10,711	8,652
Net loss attributable to common shareholders, diluted	$ 10,711	$ 8,652
Net loss per share of common shares, basic	$ 0.46	$ 13.29
Net loss per share of common shares, diluted	$ 0.46	$ 13.29
Weighted-average common shares outstanding, basic	23,197,976	651,074
Weighted-average common shares outstanding, diluted	23,197,976	651,074