Commitments and Contingencies (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2012
Schedule of Contract commitments  
2012 (remaining three months) $ 1,476
2013 4,648
2014 1,419
2015 1,080
2016 1,080
Due after 5 years 360
Total contract commitments $ 10,063