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Leases - Additional Information (Detail) (USD $) | 3 Months Ended | 128 Months Ended | 1 Months Ended | 3 Months Ended
--- | --- | --- | --- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2013 | Aug. 31, 2012 Corporate Headquarters In Pasadena | Dec. 31, 2013 Research Fcility In Madison | Dec. 31, 2013 Assets Held under Capital Leases
Component Of Operating Other Cost And Expense [Line Items] |  |  |  |  |  |
Rental expense |  |  | $ 4,790,000 | $ 13,000 | $ 22,000 |
Capital lease expiration date |  |  |  | Jan. 31, 2018 | Feb. 28, 2019 |
Percentage of increase in annual rental cost |  |  |  | 3.00% |  |
Rental expenses include common area maintenance and real estate taxes | 13,000 |  |  |  |  |
Utilities costs per month | 15,000 |  |  |  |  |
Monthly payments under capital lease |  |  |  |  |  | 21,000
Increase in total monthly expenditures | 71,000 |  |  |  |  |
Facility and equipment rent expense | $ 130,000 | $ 145,000 |  |  |  |

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- Definition Utilities costs incurred during the reporting period for services, such as water, sewer, gas, electricity and telephone required to operate a building. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.2) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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