Commitments and Contingencies - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	0 Months Ended	1 Months Ended			3 Months Ended
	Feb. 20, 2014 sqft	Oct. 31, 2013 Buildings sqft acre	Mar. 31, 2014	Mar. 31, 2014 Landlord [Member]	Jun. 30, 2013 Laboratory Facilities [Member]
Commitments And Contingencies Disclosure [Line Items]
Number of shell buildings under lease agreement		2
Area of each shell buildings		35,000
Area of land in acres		12
Estimated cost for the shell buildings		$ 11
Total construction in process			6.9	3.3
Amount spend for built lab facilities					5.0
Amount funded by landlord included in buildout of lab facilities					$ 1.2
Total leases space	80,872
Rent per square foot	22.50
Payment of rent for first two months	9,524
Payment of rent for the following eight months	19,048
Additional leases space	29,316