Revenue - Additional Information (Detail 1) - Abbott [Member] - R&D and Clinical Services [Member] - Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2019-01-01 $ in Millions	Mar. 31, 2019 USD ($)
Revenue Remaining Performance Obligation Expected Timing Of Satisfaction [Line Items]
Estimated revenue to be recognized in future	$ 16.7
Expected period to recognize the remaining revenue	6 years