Description of Operations and Summary of Significant Accounting Policies - Concentration of Credit Risks (Details)	12 Months Ended
Dec. 31, 2016 item
VIBATIV
Concentration Risk
Number of suppliers providing fill-finish services related to the manufacturing of the product	1

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

Name:	us-gaap_ConcentrationRiskLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration