Annual report pursuant to Section 13 and 15(d)

Subsequent Events - Additional Information (Detail)

v3.19.1
Subsequent Events - Additional Information (Detail) - Austin, Texas - Subsequent Event - Office And Laboratory Space
Jan. 23, 2019
ft²
Subsequent Event [Line Items]  
Facility lease agreement, square feet of office and laboratory space 57,000
Lease commencement date 2019-03
Lease expiry date Aug. 31, 2028