Commitments and Contingencies - Narrative (Details) ft² in Thousands, $ in Millions |
1 Months Ended | 3 Months Ended | 9 Months Ended |
---|---|---|---|
Jun. 16, 2015
LegalMatter
|
Sep. 30, 2018
USD ($)
ft²
|
Sep. 30, 2018
USD ($)
ft²
|
|
Loss Contingencies [Line Items] | |||
Number of class actions filed (in legal matters) | LegalMatter | 3 | ||
Number of class actions dismissed (in legal matters) | LegalMatter | 2 | ||
Operating leases, rent expense | $ 0.9 | $ 2.6 | |
Laboratory And Office Space | Billerica Massachusetts | |||
Loss Contingencies [Line Items] | |||
Area of real estate property | ft² | 100 | 100 | |
Warehouse | Billerica Massachusetts | |||
Loss Contingencies [Line Items] | |||
Area of real estate property | ft² | 29 | 29 | |
Fees To Former European Distributor | Minimum | |||
Loss Contingencies [Line Items] | |||
Commitment due in next twelve months | $ 10.0 | $ 10.0 | |
Accrued liabilities | 2.0 | 2.0 | |
Fees To Former European Distributor | Maximum | |||
Loss Contingencies [Line Items] | |||
Commitment due in next twelve months | $ 55.0 | $ 55.0 |