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Manufacturing, Laboratory and Office Facility - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
1 Months Ended 6 Months Ended
Nov. 30, 2011
sqft
Jun. 30, 2012
Leases Disclosure [Line Items]    
Lease agreements, area of space 74,000  
Commencement of rental payments Apr. 01, 2014  
Lease agreements, tenant improvement allowance $ 2.5  
Lease agreements, tenant improvement allowance to be paid back to the Landlord 3  
Lease agreements, tenant improvement allowance funded to the company   $ 2.1
Lease expiration date Jan. 31, 2017