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Restricted Stock Granted, Vested, Forfeited and Outstanding (Details) (Restricted Stock [Member], USD $)
In Thousands, except Per Share data, unless otherwise specified
9 Months Ended
Sep. 30, 2013
Restricted Stock [Member]
 
Restricted Stock, Number of Shares [Roll Forward]  
Unvested restricted shares outstanding, beginning 1,294
Granted, restricted shares 379
Vested, restricted shares (367)
Forfeited, restricted shares (772)
Unvested restricted shares outstanding, ending 534
Restricted Stock, Weighted Average Grant Price [Roll Forward]  
Unvested restricted shares, weighted average grant price, beginning $ 2.43
Granted, weighted average grant price $ 1.28
Vested, weighted average grant price $ 1.43
Forfeited, weighted average grant price $ 2.54
Unvested restricted shares, weighted average grant price, ending $ 2.15