Quarterly report pursuant to Section 13 or 15(d)

STOCK INCENTIVE PLANS AND SHARE-BASED COMPENSATION (Details 4)

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STOCK INCENTIVE PLANS AND SHARE-BASED COMPENSATION (Details 4) (USD $)
In Thousands, except Per Share data, unless otherwise specified
 6 Months Ended
Sep. 30, 2012
Options Outstanding as of March 31, 2012 19,394
Options Exercised (267)
Options Forfeited (283)
Options Expired (2,350)
Options Outstanding as of September 30, 2012 16,494
Options Vested and expected to vest at September 30, 2012 16,374
Options Exercisable as of September 30, 2012 15,379
Weighted-AverageExercise Price - Outstanding as of March 31, 2012 (in dollars per share) $ 2.32
Weighted Average Exercise Price Exercised (in dollars per share) $ 0.97
Weighted Average Exercise Price Forfeited (in dollars per share) $ 2.61
Weighted Average Exercise Price Expired (in dollars per share) $ 3.69
Weighted Average Exercise Price - Outstanding as of September 30, 2012 (in dollars per share) $ 2.14
Weighted Average Exercise Price Vested and expected to vest (in dollars per share) $ 2.14
Weighted Average Exercise Price Exercisable (in dollars per share) $ 2.13
Weighted Average Remaining Contractual Term (years) Outstanding as of September 30, 2012 2 years 5 months 8 days
Weighted Average Remaining Contractual Term (years) - Vested and expected to vest at September 30, 2012 2 years 5 months 1 day
Weighted Average Remaining Contractual Term (years) Exercisable as of September 30, 2012 2 years 2 months 19 days
Aggregate Intrinsic Value Outstanding as of September 30, 2012 $ 3,519
Aggregate Intrinsic Value Vested and expected to vest at September 30, 2012 3,513
Aggregate Intrinsic Value - Exercisable as of September 30, 2012 $ 3,413