v3.19.3.a.u2

Commitments and Contingencies - Purchase Commitments and Purchase Orders (Details) $ in Millions | Dec. 31, 2019 USD ($)
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Purchase commitments |
Purchase Commitment, Excluding Long-term Commitment [Line Items] |
Contractual commitment to pay | $ 4.5
Clinical operations and support commitments |
Purchase Commitment, Excluding Long-term Commitment [Line Items] |
Contractual commitment to pay | $ 105.9

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