Income Taxes Narrative (Details) (USD $)	12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2009
Federal and State Income Tax [Line Items]
Accumulated foreign earnings	$ 0	$ 0
Change in valuation allowance for deferred tax assets	(700,000)	1,000,000
Accumulated deferred tax benefits associated with employee stock options	1,600,000
Unrecognized xax benefits	8,063,000	8,254,000	7,101,000	7,956,000
Unrecognized tax benefits that, if recognized, would reduce the effective tax rate	0
Accrued interest or penalties, Unrecognized tax benefits	32,000
Expected change in estimated liability associated with uncertain tax position within the next twelve months	142,000
Federal [Member]
Federal and State Income Tax [Line Items]
Net operating loss carryforwards	92,000,000
Tax credit carryforward amount	2,800,000
State [Member]
Federal and State Income Tax [Line Items]
Tax credit carryforward amount	5,500,000
California Tax Jurisdiction [Member]
Federal and State Income Tax [Line Items]
Net operating loss carryforwards	39,800,000
Other States Tax Jurisdiction [Member]
Federal and State Income Tax [Line Items]
Net operating loss carryforwards	12,600,000
Foreign [Member]
Federal and State Income Tax [Line Items]
Net operating loss carryforwards	$ 9,500,000