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Fair Value Measurements (Tables) | 12 Months Ended
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Sep. 30, 2014
Fair Value Disclosures [Abstract] |
Fair Value of Assets Measured on Recurring Basis | The following tables provide information by level for financial assets that are measured at fair value on a recurring basis (in thousands):
|  |  | Fair Value Measurements at September 30, 2014 using:
| Total carrying value at September 30, 2014 |  | Quoted price in active markets (Level 1) |  | Significant other observable inputs (Level 2) |  | Significant unobservable inputs (Level 3)
Cash equivalents: |  |  |  |  |  |  |
Money market | $ | 19,630 |  |  | $ | 19,630 |  |  | $ | — |  |  | $ | — |
Available-for-sale marketable securities: |  |  |  |  |  |  |
Corporate bonds | 26,694 |  |  | — |  |  | 26,694 |  |  | — |
Commercial paper | 3,997 |  |  | — |  |  | 3,997 |  |  | — |
Certificates of deposit | 13,748 |  |  | — |  |  | 13,748 |  |  | — |
Total cash equivalents and marketable securities measured at fair value | $ | 64,069 |  |  | $ | 19,630 |  |  | $ | 44,439 |  |  | $ | — |
|  |  | Fair Value Measurements at September 30, 2013 using:
| Total carrying value at September 30, 2013 |  | Quoted price in active markets (Level 1) |  | Significant other observable inputs (Level 2) |  | Significant unobservable inputs (Level 3)
Cash equivalents: |  |  |  |  |  |  |
Money market | $ | 3,957 |  |  | $ | 3,957 |  |  | $ | — |  |  | $ | — |
Available-for-sale marketable securities: |  |  |  |  |  |  |
Corporate bonds | 41,574 |  |  | — |  |  | 41,574 |  |  | — |
Certificates of deposit | 12,707 |  |  | — |  |  | 12,707 |  |  | — |
Government municipal bonds | 10,114 |  |  | — |  |  | 10,114 |  |  | — |
Total cash equivalents and marketable securities measured at fair value | $ | 68,352 |  |  | $ | 3,957 |  |  | $ | 64,395 |  |  | $ | — |

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- Definition Tabular disclosure of assets, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19190-110258 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
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