Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Awards and Per Share Information (Details 2)

v2.4.0.6
Stock-Based Awards and Per Share Information (Details 2) (USD $)
In Thousands, except Share data, unless otherwise specified
 6 Months Ended
Jun. 30, 2012
Summary of option activity under stock option plans  
Options outstanding at December 31, 2011 3,858,000
Plus: Options granted 590,000
Less: Options exercised (214,000)
Options forfeited cancelled or expired (425,000)
Options outstanding at June 30, 2012 3,809,000
Options exercisable at June 30, 2012 2,171,000
Vested options expired during the six months ended June 30, 2012 190,000
Options outstanding, Weighted Average Exercise Price, Beginning of Period $ 3.75
Plus: Options granted, Weighted average exercise price $ 2.65
Less: Options exercised, Weighted average exercise price $ 2.12
Options forfeited, cancelled or expired, Weighted average exercise price $ 3.78
Options outstanding, Weighted Average Exercise Price, End of Period $ 3.67
Options exercisable at June 30, 2012, Weighted average exercise price $ 4.32
Vested options expired during the six months ended June 30, 2012, Weighted average exercise price $ 5.08
Options outstanding at June 30, 2012, Weighted average remaining contractual term (years) 4 years 2 months 12 days
Options exercisable at June 30, 2012, Weighted average remaining contractual term (years) 4 years 1 month 6 days
Options outstanding at June 30, 2012, Aggregate intrinsic value $ 229,000
Options exercisable at June 30, 2012, Aggregate intrinsic value $ 229,000