|
Commitments and Contingencies - Additional Information (Detail) (USD $)
|
12 Months Ended | 1 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|---|
|
Dec. 31, 2013
|
Dec. 31, 2012
|
Dec. 31, 2011
|
Nov. 30, 2013
South San Francisco, California [Member]
sqft
|
Dec. 31, 2013
South San Francisco, California [Member]
sqft
|
|
| Other Commitments [Line Items] | |||||
| Square feet of laboratory space and office space | 7,934 | 28,650 | |||
| Lease agreement expiration date | Dec. 31, 2016 | Apr. 30, 2017 | |||
| Aggregate rent over life of lease | $ 700,000 | $ 3,400,000 | |||
| Security deposit for lease | 60,000 | ||||
| Rent expense | 600,000 | 700,000 | 1,300,000 | ||
| Purchase commitments | $ 2,600,000 | ||||
| X | ||||||||||
|
- Definition
Aggregate rent over life of lease. No definition available.
|
| X | ||||||||||
|
- Definition
Area of a real estate property. No definition available.
|
| X | ||||||||||
|
- Definition
Date which lease or group of leases is set to expire, in CCYY-MM-DD format. No definition available.
|
| X | ||||||||||
|
- Definition
The minimum amount the entity agreed to spend under the long-term purchase commitment. No definition available.
|
| X | ||||||||||
|
- Definition
Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Details
|
| X | ||||||||||
|
- Definition
The amount of an asset, typically cash, provided to a counterparty to provide certain assurance of performance by the entity pursuant to the terms of a written or oral agreement, such as a lease. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|