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Balance Sheet Accounts (Schedule of Available-for-sale Securities) (Details) (USD $) In Thousands, unless otherwise specified | Sep. 30, 2014 | Jun. 30, 2014
--- | --- | ---
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized Cost | $ 33,215 | $ 33,145
Fair Value | 33,272 | 33,259
Unrealized Holding Gains | 57 | 114
Unrealized Holding Losses | 0 | 0
Cash equivalents |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized Cost | 2,877 | 567
Fair Value | 2,877 | 567
Unrealized Holding Gains | 0 | 0
Unrealized Holding Losses | 0 | 0
Short-term investments |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized Cost | 30,338 | 32,578
Fair Value | 30,395 | 32,692
Unrealized Holding Gains | 57 | 114
Unrealized Holding Losses | 0 | 0
Marketable securities |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized Cost |  | 0
Fair Value |  | 0
Unrealized Holding Gains |  | 0
Unrealized Holding Losses |  | 0
Money market funds |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized Cost | 2,877 | 567
Fair Value | 2,877 | 567
Unrealized Holding Gains | 0 | 0
Unrealized Holding Losses | 0 | 0
U.S. corporate debt securities |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized Cost | 30,338 | 32,578
Fair Value | 30,395 | 32,692
Unrealized Holding Gains | 57 | 114
Unrealized Holding Losses | $ 0 | $ 0

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- Definition Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 25 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=28360136&loc=d3e22054-111558 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27232-111563 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26610-111562 + Details
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