Fair Value Measurements (Details 2) (USD $)
6 Months Ended 1 Months Ended 6 Months Ended
Jun. 30, 2012
Mar. 31, 2012
Adagoo Ltd
Mar. 29, 2012
Adagoo Ltd
Jun. 30, 2012
Earnouts
Jun. 30, 2012
Springbox Revenue Sharing
Jun. 30, 2012
EyeWonder Contingent Consideration
Changes in the fair values of the entity's Level 3 assets and liabilities            
Available for sale marketable equity security, cost basis $ 1,200,000          
Unrealized gains included in accumulated other comprehensive loss 300,000          
Amount held back from purchase price for certain transaction costs           5,000,000
Period after the date of acquisition entity entitled to receive a percentage of revenue collected         three years  
Reconciliation of changes in the fair values of level 3 liabilities            
Balance at the beginning of period       1,673,000    
Additions         768,000  
Change in fair value recognized in earnings       (440,000)    
Balance at the end of period       1,233,000 768,000  
Period for which amount is held back to fund transaction costs           1 year
Payment made for acquiring interest in Adagoo   1,000,000        
Ownership percentage acquired   17.00% 17.00%      
Fair value of debt based on average trading price $ 453,200,000