Income Taxes (Tables)

12 Months Ended

Oct. 31, 2020

Schedule of Components of Loss Before Income Taxes

The components of loss before income taxes for the years ended October 31, 2020, 2019, and 2018 were as follows (in thousands):

	2020			2019			2018
U.S.	$	(85,865	)	$	(74,133	)	$	(47,314	)
Foreign		(3,196	)		(3,326	)		(3,035	)
Loss before income taxes	$	(89,061	)	$	(77,459	)	$	(50,349	)

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, 2020, 2019 and 2018 was as follows:

	2020			2019			2018
Statutory federal income tax rate		(21.0	)%		(21.0	)%		(23.2	)%
Increase (decrease) in income taxes resulting from:
State taxes, net of Federal benefits		(1.1	)%		(2.9	)%		0.7	%
Foreign withholding tax		0.0	%		0.1	%		0.0	%
Net operating loss expiration, impairment and true-ups		129.2	%		(1.3	)%		4.6	%
Nondeductible expenditures		1.4	%		0.2	%		1.5	%
Change in tax rates		(0.6	)%		(0.1	)%		201.6	%
Fair value adjustment on warrants		8.7	%		—			—
Other, net		1.1	%		(0.3	)%		0.0	%
Deferred only adjustment		4.4	%		—			0.0	%
Valuation allowance		(122.1	)%		25.4	%		(191.2	)%
Effective income tax rate		—			0.1	%		(6.0	)%

Schedule of Deferred Tax Assets and Liabilities

Our deferred tax assets and liabilities consisted of the following as of October 31, 2020 and 2019 (in thousands):

	2020			2019
Deferred tax assets:
Compensation and benefit accruals	$	8,157		$	7,446
Bad debt and other allowances		1,458			905
Capital loss and tax credit carry-forwards		15,456			12,645
Net operating losses (domestic and foreign)		100,791			217,430
Deferred license revenue		2,093			4,264
Inventory valuation allowances		116			312
Accumulated depreciation		9,759			9,200
Grant revenue		700			798
Excess business interest		5,544			-
Operating lease liabilities		2,387			-
Gross deferred tax assets:		146,461			253,000
Valuation allowance		(142,217	)		(250,985	)
Deferred tax assets after valuation allowance		4,244			2,015
Deferred tax liability:
In process research and development		(2,391	)		(2,321	)
Right of use assets		(2,229	)
Net deferred tax liability	$	(376	)	$	(306	)