|
STOCK INCENTIVE PLANS AND SHARE-BASED COMPENSATION (Tables)
|
12 Months Ended |
|
Mar. 31, 2013
|
| Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block] |
The following tables summarize share-based compensation expense (in thousands):
|
For the year ended March 31, |
|
2013 |
|
2012 |
|
2011 |
| Share-based compensation expense: |
|
|
|
|
|
|
|
|
| Cost of revenue |
$ |
2,389 |
|
$ |
2,203 |
|
$ |
1,768 |
| Research and development |
|
3,665 |
|
|
3,250 |
|
|
2,486 |
| Sales and marketing |
|
4,699 |
|
|
4,048 |
|
|
3,121 |
| General and administrative |
|
4,386 |
|
|
4,236 |
|
|
3,046 |
| Total share-based compensation expense |
$ |
15,139 |
|
$ |
13,737 |
|
$ |
10,421 |
|
| Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block] |
|
For the year ended March 31, |
|
2013 |
|
2012 |
|
2011 |
| Share-based compensation by type of award: |
|
|
|
|
|
|
|
|
| Stock options |
$ |
1,681 |
|
$ |
2,622 |
|
$ |
3,586 |
| Restricted stock |
|
11,630 |
|
|
9,053 |
|
|
5,329 |
| Stock purchase plan |
|
1,828 |
|
|
2,062 |
|
|
1,506 |
| Total share-based compensation expense |
$ |
15,139 |
|
$ |
13,737 |
|
$ |
10,421 |
|
| Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] |
A summary of activity relating to all of our stock option plans is as follows (stock options and intrinsic value in thousands):
|
|
Stock Options |
|
Weighted-
Average
Exercise Price |
|
Weighted-
Average
Remaining
Contractual Term |
|
Aggregate
Intrinsic Value |
| Outstanding as of March 31, 2010 |
|
31,329 |
|
|
$ |
2.40 |
|
|
|
|
|
| Granted |
|
204 |
|
|
|
2.66 |
|
|
|
|
|
| Exercised |
|
(6,634 |
) |
|
|
1.90 |
|
|
|
|
|
| Forfeited |
|
(1,747 |
) |
|
|
2.05 |
|
|
|
|
|
| Expired |
|
(1,072 |
) |
|
|
5.56 |
|
|
|
|
|
| Outstanding as of March 31, 2011 |
|
22,080 |
|
|
|
2.43 |
|
|
|
|
|
| Granted and assumed |
|
1,619 |
|
|
|
2.33 |
|
|
|
|
|
| Exercised |
|
(2,982 |
) |
|
|
1.79 |
|
|
|
|
|
| Forfeited |
|
(619 |
) |
|
|
1.90 |
|
|
|
|
|
| Expired |
|
(704 |
) |
|
|
8.25 |
|
|
|
|
|
| Outstanding as of March 31, 2012 |
|
19,394 |
|
|
|
2.32 |
|
|
|
|
|
| Exercised |
|
(379 |
) |
|
|
0.96 |
|
|
|
|
|
| Forfeited |
|
(406 |
) |
|
|
2.43 |
|
|
|
|
|
| Expired |
|
(2,559 |
) |
|
|
3.65 |
|
|
|
|
|
| Outstanding as of March 31, 2013 |
|
16,050 |
|
|
$ |
2.14 |
|
1.95 |
|
$ |
1,592 |
| Vested and expected to vest at March 31, 2013 |
|
15,974 |
|
|
$ |
2.14 |
|
1.93 |
|
$ |
1,591 |
| Exercisable as of March 31, 2013 |
|
15,200 |
|
|
$ |
2.12 |
|
1.77 |
|
$ |
1,558 |
|
| Schedule Of Share-Based Compensation, Shares Authorized Under Stock Option Plans, By Exercise Price Range [Table Text Block] |
The following table summarizes information about stock options outstanding and exercisable as of March 31, 2013 (stock options in thousands):
| Range of Exercise Prices |
|
Stock Options
Outstanding |
|
Weighted-
Average
Exercise
Price |
|
Weighted-
Average
Remaining
Contractual Life
(Years) |
|
Stock Options
Exercisable |
|
Weighted-
Average
Exercise
Price |
| $ |
0.11 |
- |
$ |
0.63 |
|
182 |
|
$ |
0.54 |
|
5.63 |
|
133 |
|
$ |
0.50 |
| $ |
0.77 |
- |
$ |
0.98 |
|
4,644 |
|
|
0.98 |
|
2.90 |
|
4,639 |
|
|
0.98 |
| $ |
1.00 |
- |
$ |
1.42 |
|
655 |
|
|
1.22 |
|
2.59 |
|
648 |
|
|
1.22 |
| $ |
1.52 |
- |
$ |
2.21 |
|
4,344 |
|
|
2.02 |
|
0.57 |
|
4,342 |
|
|
2.02 |
| $ |
2.30 |
- |
$ |
3.42 |
|
3,922 |
|
|
2.90 |
|
2.66 |
|
3,135 |
|
|
2.98 |
| $ |
3.43 |
- |
$ |
4.00 |
|
2,303 |
|
|
3.81 |
|
0.95 |
|
2,303 |
|
|
3.81 |
|
|
|
|
|
|
16,050 |
|
$ |
2.14 |
|
1.95 |
|
15,200 |
|
$ |
2.12 |
|
| Schedule Of Nonvested Restricted Stock Units Activity [Table Text Block] |
A summary of activity relating to our restricted stock follows (shares in thousands):
|
|
Shares |
|
Weighted-Average
Grant Date
Fair Value |
| Nonvested at March 31, 2010 |
|
5,135 |
|
|
$ |
1.64 |
| Granted |
|
5,757 |
|
|
|
1.95 |
| Vested |
|
(3,665 |
) |
|
|
1.60 |
| Forfeited |
|
(587 |
) |
|
|
1.45 |
| Nonvested at March 31, 2011 |
|
6,640 |
|
|
|
1.95 |
| Granted and assumed |
|
6,669 |
|
|
|
3.14 |
| Vested |
|
(3,058 |
) |
|
|
1.88 |
| Forfeited |
|
(1,390 |
) |
|
|
2.73 |
| Nonvested at March 31, 2012 |
|
8,861 |
|
|
|
2.75 |
| Granted |
|
5,514 |
|
|
|
1.98 |
| Vested |
|
(3,566 |
) |
|
|
2.55 |
| Forfeited |
|
(922 |
) |
|
|
2.30 |
| Nonvested at March 31, 2013 |
|
9,887 |
|
|
$ |
2.43 |
|
|
Stock Options [Member]
|
|
| Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] |
The weighted-average estimated fair values and the assumptions used in calculating fair values for stock options granted under the Plan during each fiscal period are as follows:
|
For the year ended March 31, |
|
2013 |
|
2012 |
|
2011 |
| Stock option life (in years) |
n/a |
|
|
4.0 |
|
|
|
4.2 |
|
| Risk-free interest rate |
n/a |
|
|
1.57 |
% |
|
|
2.02 |
% |
| Stock price volatility |
n/a |
|
|
112.33 |
% |
|
|
106.75 |
% |
| Weighted-average grant date fair value |
n/a |
|
$ |
1.91 |
|
|
$ |
1.96 |
|
|
|
Pancetera [Member]
|
|
| Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] |
The weighted-average fair value of stock options assumed from Pancetera, as well as the weighted-average assumptions used in calculating these values were based on estimates at the acquisition date as follows:
| |
Option life (in years) |
|
5.2 |
|
| |
Risk-free interest rate |
|
1.65 |
% |
|
Stock price volatility |
|
100.93 |
% |
|
Weighted-average fair value |
$ |
2.67 |
|
|
|
Stock Purchase Plan [Member]
|
|
| Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] |
The weighted-average fair values and the assumptions used in calculating fair values during each fiscal period are as follows:
|
For the year ended March 31, |
|
2013 |
|
2012 |
|
2011 |
| Option life (in years) |
|
0.50 |
|
|
|
0.50 |
|
|
|
0.50 |
|
| Risk-free interest rate |
|
0.13 |
% |
|
|
0.06 |
% |
|
|
0.19 |
% |
| Stock price volatility |
|
69.73 |
% |
|
|
70.29 |
% |
|
|
68.56 |
% |
| Weighted-average grant date fair value |
$ |
0.48 |
|
|
$ |
0.82 |
|
|
$ |
0.72 |
|