Income Taxes (Tables)

12 Months Ended

Oct. 31, 2023

Income Taxes

Schedule of Components of Loss Before Income Taxes

The components of loss before income taxes for the years ended October 31, 2023, 2022, and 2021 were as follows (in thousands):

	2023		2022		2021
U.S.	$	(95,910)	$	(145,439)	$	(96,959)
Foreign		(11,565)		(974)		(4,064)
Loss before income taxes	$	(107,475)	$	(146,413)	$	(101,023)

Schedule of Reconciliation of Federal Statutory Income Tax Rate To Effective Income Tax Rate

The reconciliation of the federal statutory income tax rate to our effective income tax rate for the years ended October 31, 2023, 2022 and 2021 was as follows:

	2023		2022		2021
Statutory federal income tax rate	(21.0)	%	(21.0)	%	(21.0)	%
Increase (decrease) in income taxes resulting from:
State taxes, net of Federal benefits	(3.2)	%	(3.6)	%	(5.2)	%
Foreign withholding tax	0.5	%	0.6	%	0.2	%
Net operating loss expiration, impairment and true-ups	6.1	%	8.7	%	3.6	%
Nondeductible expenditures	2.1	%	1.4	%	1.9	%
Change in tax rates	2.8	%	0.3	%	(1.3)	%
Fair value adjustment on warrants	—	%	—	%	3.3	%
Other, net	0.6	%	0.7	%	—	%
Deferred only adjustment	(0.1)	%	(0.1)	%	0.8	%
Valuation allowance	12.7	%	13.6	%	17.9	%
Effective income tax rate	0.5	%	0.6	%	0.2	%

Schedule of Deferred Tax Assets and Liabilities

Our deferred tax assets and liabilities consisted of the following as of October 31, 2023 and 2022 (in thousands):

	2023		2022
Deferred tax assets:
Compensation and benefit accruals	$	6,026	$	8,523
Bad debt and other allowances		1,945		2,453
Capital loss and tax credit carry-forwards		14,701		14,310
Net operating losses (domestic and foreign)		139,900		123,825
Deferred license revenue		1,148		1,548
Accumulated depreciation		14,051		20,229
Grant revenue		323		475
Excess business interest		6,406		10,424
Operating lease liabilities		1,879		2,085
Capitalized research and development		9,729		—
Mark-to-market		987		—
Other		4		—
Gross deferred tax assets:		197,099		183,872
Valuation allowance		(193,477)		(180,048)
Deferred tax assets after valuation allowance		3,622		3,824
Deferred tax liability:
In process research and development		(2,293)		(2,475)
Right of use assets		(1,600)		(1,809)
Other		(9)		—
Net deferred tax liability	$	(280)	$	(460)