Subsequent Events (Details Textual) (USD $)
In Millions, unless otherwise specified
6 Months Ended
Jun. 30, 2012
Jul. 20, 2012
Subsequent Events (Textual) [Abstract]    
15.00%/15.00% Notes principal amount   $ 23.9
15.00%/15.00% Interest rate   1.00%
Increase in the aggregate revolving facility commitment 20.0  
Aggregate commitment of the lenders   $ 95.0