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STOCK INCENTIVE PLANS AND SHARE-BASED COMPENSATION (Tables)
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6 Months Ended |
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Sep. 30, 2013
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| STOCK INCENTIVE PLANS AND SHARE-BASED COMPENSATION [Abstract] |
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| Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs |
The following table summarizes share-based compensation (in thousands): | | Three Months Ended | | Six Months Ended | | | September 30,
2013 | | September 30,
2012 | | September 30,
2013 | | September 30,
2012 | | Share-based compensation: | | | | | | | | | | | | | Cost of revenue | $ | 523 | | $ | 642 | | $ | 1,051 | | $ | 1,213 | | Research and development | | 908 | | | 947 | | | 1,776 | | | 1,847 | | Sales and marketing | | 1,080 | | | 1,246 | | | 2,154 | | | 2,330 | | General and administrative | | 980 | | | 891 | | | 1,866 | | | 2,623 | | | $ | 3,491 | | $ | 3,726 | | $ | 6,847 | | $ | 8,013 | | | | Share-based compensation by type of award: | | | | | | | | | | | | | Stock options | $ | 208 | | $ | 247 | | $ | 440 | | $ | 1,206 | | Restricted stock | | 2,968 | | | 3,028 | | | 5,706 | | | 5,781 | | Stock purchase plan | | 315 | | | 451 | | | 701 | | | 1,026 | | | $ | 3,491 | | $ | 3,726 | | $ | 6,847 | | $ | 8,013 |
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| Schedule of Share-based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions |
The weighted-average grant date fair values and the assumptions used in calculating fair values for the three and six month periods ended September 30, 2013 and 2012 are as follows: | | Three and Six Months Ended | | | September 30,
2013 | | September 30,
2012 | | Option life (in years) | | 0.5 | | | | 0.5 | | | Risk-free interest rate | | 0.07 | % | | | 0.15 | % | | Stock price volatility | | 47.65 | % | | | 74.81 | % | | Weighted-average grant date fair value |
$ | 0.47 | | |
$ | 0.51 | |
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| Schedule of Share-based Compensation, Stock Options, Activity |
A summary of activity relating to our stock options follows (options and aggregate intrinsic value in thousands): | | Options | | Weighted-
Average
Exercise Price | | Weighted-
Average
Remaining
Contractual Term | | Aggregate
Intrinsic Value | | Outstanding as of March 31, 2013 | 16,050 | | |
$ | 2.14 | | | | | | | Exercised | (345 | ) | | | 1.01 | | | | | | | Forfeited | (1,010 | ) | | | 2.14 | | | | | | | Expired | (2,859 | ) | | | 2.06 | | | | | | | Outstanding as of September 30, 2013 | 11,836 | | | $ | 2.19 | | 1.89 | |
$ | 1,953 | | Vested and expected to vest at September 30, 2013 | 11,798 | | | $ | 2.19 | | 1.88 | | $ | 1,952 | | Exercisable as of September 30, 2013 | 11,279 | | | $ | 2.18 | | 1.76 | | $ | 1,937 |
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| Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity |
A summary of activity relating to our restricted stock follows (shares in thousands): | | Shares | | Weighted-Average
Grant Date
Fair Value | | Nonvested at March 31, 2013 | 9,887 | | |
$ | 2.43 | | Granted | 7,403 | | | | 1.40 | | Vested | (4,087 | ) | | | 2.42 | | Forfeited | (733 | ) | | | 2.16 | | Nonvested at September 30, 2013 | 12,470 | | | $ | 1.85 |
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