Quarterly report pursuant to Section 13 or 15(d)

Business (Details Textual)

v2.4.0.6
Business (Details Textual)
9 Months Ended
Sep. 30, 2012
Line
Accounts, Notes, Loans and Financing Receivable [Line Items]  
Number of satellite radio systems (in line) 2
Minimum [Member]
 
Accounts, Notes, Loans and Financing Receivable [Line Items]  
Length of prepaid subscriptions, term 3 months
Maximum [Member]
 
Accounts, Notes, Loans and Financing Receivable [Line Items]  
Length of prepaid subscriptions, term 12 months