Commitments and Contingencies - Loss Contingencies (Details) (Patent Counterclaim Lawsuit by Peel Technologies, Inc.)	1 Months Ended
Apr. 30, 2014 patent
Patent Counterclaim Lawsuit by Peel Technologies, Inc.
Loss Contingencies [Line Items]
Loss contingency, patents allegedly infringed, number	1

Number of another entity's patents that the entity has allegedly infringed.

No definition available.

Name:	us-gaap_LossContingencyPatentsAllegedlyInfringedNumber
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration