Revenue from Settlement and Licensing Agreement (Additional Information) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Litigation Settlement Amount Description According to the agreement, Microsoft Corporation paid the Company $1,000 and agreed to pay 5% of any future amount Google pays for its use of the patents acquired from Lycos.
Microsoft Corporation [Member]
 
Proceeds from Legal Settlements $ 1,000
Litigation Settlement Revenue Percentage 5.00%