Annual report pursuant to Section 13 and 15(d)

Related Party Transactions (Details Textual 4)

v2.4.0.8
Related Party Transactions (Details Textual 4) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2011
XM Canada [Member]
Jun. 21, 2011
XM Canada [Member]
Related Party Transaction [Line Items]          
Equity method investment, ownership percentage         21.50%
The Company's share of related party net income (loss) $ 5,865 $ (420) $ (6,520) $ (6,045)