Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies (Details Textual)

v2.4.0.8
Commitments and Contingencies (Details Textual) (USD $)
In Thousands, unless otherwise specified
 9 Months Ended 2 Months Ended
Sep. 30, 2014
attorney
Sep. 30, 2014
Minimum [Member]
Sep. 30, 2014
Maximum [Member]
Sep. 30, 2014
XM-5, FM-5, FM-6, XM-3, and XM-4 [Member]
Sep. 30, 2014
XM-4 [Member]
Sep. 30, 2013
Pre-1972 Recording Matters [Member]
Pending Litigation [Member]
claim
Aug. 31, 2013
Pre-1972 Recording Matters [Member]
Pending Litigation [Member]
claim
Commitments and Contingencies (Textual) [Abstract]              
Agreement term to repurchase certain products shipped to distributor from date of shipment (after 90 days) 90 days            
Additional payments required if XM-4 continues to operate above baseline specifications         $ 10,000    
Operating performance over design life       15 years      
Period beyond expected operating performance of design life for XM-4         5 years    
Operating lease obligations, term   1 year 15 years        
Loss Contingency, Pending Claims, Number           1 3
Number of State Attorneys General 34            
Compensatory damages sought (in excess of $100 million)           $ 100,000