CONDENSED CONSOLIDATED STATEMENT OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended		12 Months Ended
	Apr. 30, 2023	Apr. 30, 2024	Apr. 30, 2023	Oct. 31, 2023
Cash Flows from operating activities:
Net loss		$ (25,695)	$ (12,700)
Adjustments to reconcile net loss to net cash used in operating activities
Non-cash interest expense		372	1,663
Loss on extinguishment of debt		366
Change in fair value of warrant liabilities	$ 341		1,526
Change in fair value of convertible debenture embedded derivative liabilities			(318)
Debt issuance costs expensed upon issuance of debt recorded at the fair value option			132
Non-cash lease expense		67
Unrealized foreign currency losses		8	22
Share-based compensation expense		2,208	59
Depreciation of property and equipment		158	83
Changes in operating assets and liabilities:
Investment tax credit receivable		1,130	(722)
Prepaid expenses and other assets		(2,057)	(190)
Accounts payable		(689)	2,049
Accrued expenses and other liabilities		2,565	(2,271)
Lease liabilities		35
Net cash used in operating activities		(21,532)	(10,667)
Investing activities
Purchases of property and equipment		(685)	(23)
Net cash used in investing activities		(685)	(23)
Financing activities
Proceeds from the 2024 PIPE Financing		200,000
Payments of issuance costs associated with the 2024 PIPE Financing		(12,386)
Proceeds from exercise of common share warrants		5,983
Proceeds from exercise of stock options		51	17
Proceeds from issuance of term loan		22,500
Repayments of term loan principal		(9,445)
Payments of debt issuance costs associated with the term loan		(585)
Proceeds from issuance of April 2023 Notes			8,000
Payment of issuance costs associated with April 2023 Notes			(132)
Payment of Reverse Recapitalization and PIPE Financing costs		(613)	(132)
Net cash provided by financing activities		205,505	7,753
Effect of exchange rate changes on cash and cash equivalents		1	1
Net increase in cash and cash equivalents		183,289	(2,936)
Cash and cash equivalents at beginning of period		81,521	20,434	$ 20,434
Cash and cash equivalents at end of period	$ 17,498	264,810	17,498	$ 81,521
Supplemental cash flow information:
Cash paid for interest		867	676
Supplemental disclosure of non-cash investing and financing activities
Warrant value issued as part of Amended Term Loan		319
Right of Use Assets obtained in exchange for lease liabilities		$ 1,904
Reverse Recapitalization and PIPE Financing transaction costs included within accrued expenses and accounts payable			$ 1,167