Income Taxes (Tables)

12 Months Ended

Jul. 31, 2015

Net Deferred Tax Assets

The components of the Company’s net deferred tax assets at July 31, 2015 and 2014 are as follows (in thousands):

	July 31,
	2015			2014
Deferred tax assets:
Net operating loss carryforwards	$	298,924		$	298,426
Credit carryforwards		21,301			21,301
Restructuring and related accruals		3,502			3,502
Capital loss carryforwards		672			672
Depreciation		971			971
Other, net		695			695
Total net deferred tax assets		326,065			325,567
Valuation allowance		(326,065	)		(325,567	)
Net deferred tax assets	$	—		$	—

Reconciliation of Beginning and Ending Amount of Gross Unrecognized Tax Benefits

A reconciliation of the beginning and ending amount of gross unrecognized tax benefits is as follows (in thousands):

	2015			2014
Beginning balance	$	1,786		$	1,742
Increase for current year		82			83
Reductions related to expiration of statute of limitations		(281	)		(39	)
Ending balance	$	1,587		$	1,786