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Restricted Stock Summary of Restricted Stock Granted, Vested, Forfeited and Outstanding (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified
6 Months Ended
Jun. 30, 2012
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]  
Unvested restricted shares outstanding, beginning 836
Unvested restricted shares, weighted average grant price, beginning $ 2.15
Granted, restricted shares 536
Granted, weighted average grant price $ 2.95
Vested, restricted shares (100)
Vested, weighted average grant price $ 2.11
Forfeited, restricted shares (110)
Forfeited, weighted average grant price $ 2.55
Unvested restricted shares outstanding, ending 1,162
Unvested restricted shares, weighted average grant price, ending $ 2.49