Commitments and Contingencies (Details) - patent	Jul. 16, 2014	Jan. 21, 2014
Cresta Technology
Patent Litigation
Number of patents allegedly infringed	6	3

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

No definition available.

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