Acquisition of Yub, Inc. - Identifiable Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	0 Months Ended
	Jan. 02, 2014
Business Acquisition [Line Items]
Identifiable Intangible Assets, Amount	$ 2,320
Customer Relationships
Business Acquisition [Line Items]
Identifiable Intangible Assets, Amount	176
Estimated useful life of asset	5 years
Vendor Relationships
Business Acquisition [Line Items]
Identifiable Intangible Assets, Amount	890
Estimated useful life of asset	4 years
Developed Technologies
Business Acquisition [Line Items]
Identifiable Intangible Assets, Amount	692
Estimated useful life of asset	5 years
Domain Names
Business Acquisition [Line Items]
Identifiable Intangible Assets, Amount	487
Estimated useful life of asset	5 years
Patents
Business Acquisition [Line Items]
Identifiable Intangible Assets, Amount	$ 75
Estimated useful life of asset	5 years