Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Unvested Restricted Stock) (Details)

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Stock-Based Compensation (Unvested Restricted Stock) (Details) (USD $)
9 Months Ended
Sep. 30, 2012
Number of Shares  
Unvested at beginning of period 1,556,000
Granted 385,000
Vested (30,000)
Forfeited   
Expired   
Unvested at end of period 1,911,000
Weighted Average Grant-Date Fair Value  
Unvested at beginning of period $ 2.48
Granted $ 3.16
Vested $ 2.86
Forfeited   
Expired   
Unvested at end of period $ 2.61