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Investment in Subsidiaries - Additional Information (Detail) (USD $) | 12 Months Ended
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Sep. 30, 2014 | Sep. 30, 2011
Schedule Of Investments [Line Items] |  |
Ownership percentage in subsidiary | 100.00% |
Ablaris Therapeutics |  |
Schedule Of Investments [Line Items] |  |
Ownership percentage in subsidiary | 64.00% |
Issuance of preferred stock in subsidiary |  | $ 2,900,000
Investment in preferred stock |  | 1,300,000
Investment in preferred stock by outsider |  | 1,600,000
Percentage of investment ownership | 64.00% |
Calando Pharmaceuticals Inc |  |
Schedule Of Investments [Line Items] |  |
Ownership percentage in subsidiary | 79.00% |
Percentage of investment ownership | 76.00% |
Deconsolidation, Revaluation of Retained Investment, Gain (Loss), Amount | 87,000 |
Amount owed by subsidiary | $ 4,500,000 |
Stated percentage of notes and advances | 8.00% |

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- Definition Amount owed by subsidiary. + References No definition available. + Details
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- Definition Equity method investment ownership percentage on dilutive basis. + References No definition available. + Details
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- Definition Investment in preferred stock. + References No definition available. + Details
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- Definition Investment in preferred stock by outsider. + References No definition available. + Details
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- Definition Ownership percentage in subsidiary. + References No definition available. + Details
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- Definition Stated percentage of notes and advances. + References No definition available. + Details
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- Definition In connection with deconsolidation of a subsidiary or derecognition of a group of assets, the portion of any gain (loss) recognized by the parent, during the period, which is related to the remeasurement of any retained investment in the former subsidiary or group of assets to its fair value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1B -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=18733093&loc=SL4582445-111684 + Details
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- Definition Proceeds from issuance of capital stock which provides for a specific dividend that is paid to the shareholders before any dividends to common stockholders and which takes precedence over common stockholders in the event of liquidation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585 + Details
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