Annual report pursuant to Section 13 and 15(d)

Related Party Transactions (Details 7)

v2.4.0.6
Related Party Transactions (Details 7) (XM Canada [Member], USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
XM Canada [Member]
   
Revenue from XM Canada    
Amortization of XM Canada deferred income $ 1,388 [1] $ 2,776
Subscriber and activation fee royalties 5,483 [1] 10,313
Licensing fee revenue 3,000 [1] 4,500
Advertising reimbursements 833 [1] 1,083
Total revenue from related party $ 10,704 [1] $ 18,672
[1] XM Canada combined with Sirius Canada in June 2011.