Quarterly report pursuant to Section 13 or 15(d)

Excess Lease Liability (Details)

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Excess Lease Liability (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2013
Summary of excess lease facility liability  
Current portion of excess lease facility, Liability, Beginning balance $ 1,050
Long-term portion of excess lease facility, Liability, Beginning Balance 3,536
Liability, Total, Beginning Balance 4,586
Current portion of excess lease facility, Amortization of excess lease facility 7
Long-term portion of excess lease facility, Amortization of excess lease facility (171)
Amortization of excess lease facility (164)
Current portion of excess lease facility, Additional liability recorded   
Long-term portion of excess lease facility Additional liability recorded   
Additional liability recorded, Total   
Current portion of excess lease facility, Liability, Ending balance 1,057
Long-term portion of excess lease facility, Liability, Ending Balance 3,365
Liability, Total, Ending Balance $ 4,422