Quarterly report pursuant to Section 13 or 15(d)

STOCK INCENTIVE PLANS AND SHARE-BASED COMPENSATION (Details 3)

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STOCK INCENTIVE PLANS AND SHARE-BASED COMPENSATION (Details 3) (USD $)
In Thousands, except Share data, unless otherwise specified
 3 Months Ended
Jun. 30, 2012
Options Outstanding as of March 31, 2012 19,394
Options Exercised (176)
Options Forfeited (71)
Options Expired (840)
Options Vested and expected to vest at June 30, 2012 18,204
Options Outstanding as of June 30, 2012 18,307
Options Exercisable as of June 30, 2012 15,401
Weighted-AverageExercise Price - Outstanding as of March 31, 2012 (in dollars per share) $ 2.32
Weighted Average Exercise Price Exercised (in dollars per share) $ 0.99
Weighted Average Exercise Price Forfeited (in dollars per share) $ 1.17
Weighted Average Exercise Price Expired (in dollars per share) $ 5.28
Weighted Average Exercise Price - Outstanding as of June 30, 2012 (in dollars per share) $ 2.20
Weighted Average Exercise Price Vested and expected to vest (in dollars per share) $ 2.20
Weighted Average Exercise Price Exercisable (in dollars per share) $ 2.32
Weighted Average Remaining Contractual Term (years) Outstanding as of June 30, 2012 2 years 6 months 21 days
Weighted Average Remaining Contractual Term (years) - Vested and expected to vest at June 30, 2012 2 years 6 months 14 days
Weighted Average Remaining Contractual Term (years) Exercisable as of June 30, 2012 2 years 1 month 20 days
Aggregate Intrinsic Value Outstanding as of June 30, 2012 $ 6,412
Aggregate Intrinsic Value Vested and expected to vest at June 30, 2012 6,405
Aggregate Intrinsic Value - Exercisable as of June 30, 2012 $ 4,476