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Shareholders' Deficit Shareholders' Deficit (Details)
In Thousands, unless otherwise specified
6 Months Ended
Jun. 30, 2012
Increase (Decrease) in Stockholders' Equity [Roll Forward]  
Beginning balance 6,847
Issuance of equity awards, net 5
Issuance of equity upon conversion of Series B Notes 608
Ending balance 7,460