Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies (Details 2)

 v2.3.0.11
Summary of Significant Accounting Policies (Details 2) (USD $)
In Thousands
Jun. 30, 2011
Dec. 31, 2010
Receivables from distributors    
Receivables from distributors $ 81,014 $ 67,576
Billed Revenues [Member]
   
Receivables from distributors    
Receivables from distributors 43,997 30,456
Unbilled Revenues [Member]
   
Receivables from distributors    
Receivables from distributors $ 37,017 $ 37,120