Income Taxes (Details Textual) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Income Tax (Textual)
Liability relating to unrecognized tax benefits	$ 458	$ 392	$ 381
Domestic Tax Authority
Income Tax (Additional Textual)
Tax NOL carryforwards	159,237	150,381
Income tax deductions in excess of tax benefits related to stock compensation	26,983
Research and development credit carryforwards	3,624	3,171
State and Local Jurisdiction
Income Tax (Additional Textual)
Research and development credit carryforwards	$ 949	$ 749

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- Definition

Stock Compensation Income Tax Deductions Excess of Recorded Tax Benefits, Excluded from Net Operating Loss

+ References

No definition available.

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- Definition

Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

+ References

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- Definition

The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 3

-Subparagraph (a)

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-Publisher FASB

-Name Accounting Standards Codification

-Glossary Carryforwards

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- Definition

Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Unrecognized Tax Benefit

-URI http://asc.fasb.org/extlink&oid=6527854

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

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-Section 50

-Paragraph 15A

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