Income Taxes (Tables)

12 Months Ended

Oct. 31, 2016

Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]

The components of loss from continuing operations before income taxes for the years ended October 31, 2016, 2015, and 2014 were as follows (in thousands):



	2016			2015			2014
U.S.	$	(46,708	)	$	(26,459	)	$	(35,167	)
Foreign	(3,981		)	(2,951		)	(3,228		)
Loss before income taxes	$	(50,689	)	$	(29,410	)	$	(38,395	)

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

The reconciliation of the federal statutory income tax rate to our effective income tax rate for the years ended October 31, 2016, 2015 and 2014 was as follows:



	2016		2015		2014
Statutory federal income tax rate	(34.0	)%	(34.0	)%	(34.0	)%
Increase (decrease) in income taxes resulting from:
State taxes, net of Federal benefits	(0.2	)%	(0.1	)%	(1.8	)%
Foreign withholding tax	1.1	%	0.9	%	1.0	%
Net operating loss adjustment and true-ups	3.3	%	4.7	%	(25.4	)%
Nondeductible expenditures	0.9	%	0.1	%	14.5	%
Change in state tax rate	(0.3	)%	1.6	%	(0.8	)%
Other, net	0.2	%	0.4	%	0.4	%
Valuation allowance	30.1	%	27.3	%	47.1	%
Effective income tax rate	1.1	%	0.9	%	1.0	%

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

Our deferred tax assets and liabilities consisted of the following at October 31, 2016 and 2015 (in thousands):



	2016			2015
Deferred tax assets:
Compensation and benefit accruals	$	9,625		$	8,389
Bad debt and other allowances	1,276			1,109
Capital loss and tax credit carry-forwards	12,772			12,998
Net operating losses (domestic and foreign)	265,799			257,373
Deferred license revenue	8,616			9,313
Inventory valuation allowances	278			77
Accumulated depreciation	4,653			535
Grant revenue	1,327			—
Gross deferred tax assets:	304,346			289,794
Valuation allowance	(304,346		)	(289,794		)
Deferred tax assets after valuation allowance	—			—
Deferred tax liability:
In process research and development	(3,377		)	(3,377		)
Net deferred tax liability	$	(3,377	)	$	(3,377	)