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STOCK INCENTIVE PLANS AND SHARE-BASED COMPENSATION (Tables) | 12 Months Ended
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Mar. 31, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Schedule of assumptions used in calculating fair values | 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,
| 2017 |  | 2016 |  | 2015
Option life (in years) | 0.5 |  |  | 0.5 |  |  | 0.5 |
Risk-free interest rate | 0.55 | % |  | 0.26 | % |  | 0.07 | %
Stock price volatility | 64.18 | % |  | 77.94 | % |  | 36.58 | %
Weighted-average grant date fair value | $ | 2.11 |  |  | $ | 2.32 |  |  | $ | 2.88 |
Summary of share-based compensation expense | The following tables summarize share-based compensation expense (in thousands):
| For the year ended March 31,
| 2017 |  | 2016 |  | 2015
Share-based compensation expense: |  |  |  |  |
Cost of revenue | $ | 895 |  |  | $ | 1,241 |  |  | $ | 1,489 |
Research and development | 1,300 |  |  | 1,864 |  |  | 2,559 |
Sales and marketing | 2,255 |  |  | 2,907 |  |  | 3,506 |
General and administrative | 2,248 |  |  | 2,904 |  |  | 4,029 |
Total share-based compensation expense | $ | 6,698 |  |  | $ | 8,916 |  |  | $ | 11,583 |
Schedule of share-based compensation by type of award |
| For the year ended March 31,
| 2017 |  | 2016 |  | 2015
Share-based compensation by type of award: |  |  |  |  |
Stock options | $ | — |  |  | $ | 2 |  |  | $ | 617 |
Restricted stock | 6,230 |  |  | 8,220 |  |  | 10,102 |
Stock purchase plan | 468 |  |  | 694 |  |  | 864 |
Total share-based compensation expense | $ | 6,698 |  |  | $ | 8,916 |  |  | $ | 11,583 |
Schedule of activity relating to stock option plans | A summary of activity relating to all of our stock option plans is as follows (stock options in thousands):
| Stock Options |  | Weighted- Average Exercise Price |  | Weighted- Average Remaining Contractual Term |  | Aggregate Intrinsic Value
Outstanding as of March 31, 2016 | 516 |  |  | $ | 12.12 |  |  |  |  |
Exercised | — |  |  | — |  |  |  |  |
Forfeited | (37 | ) |  | 8.20 |  |  |  |  |
Expired | (299 | ) |  | 8.01 |  |  |  |  |
Outstanding as of March 31, 2017 | 180 |  |  | $ | 20.02 |  |  | 1.03 |  | $ | 4,763 |
Vested and expected to vest at March 31, 2017 | 180 |  |  | $ | 20.02 |  |  | 1.03 |  | $ | 4,763 |
Exercisable as of March 31, 2017 | 180 |  |  | $ | 20.02 |  |  | 1.03 |  | $ | 4,763 |
Summary of information about stock options outstanding and exercisable | The following table summarizes information about stock options outstanding and exercisable as of March 31, 2017 (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
$5.04 |  | — |  | $ | 5.04 |  |  | 2 |  |  | $ | 5.04 |  |  | 3.43 |  | 2 |  |  | $ | 5.04 |
$20.16 |  | — |  | $ | 23.20 |  |  | 178 |  |  | $ | 20.23 |  |  | 1.00 |  | 178 |  |  | $ | 20.23 |
|  |  |  |  |  | 180 |  |  |  |  |  |  | 180 |  |  |  |
Summary of activity relating to restricted stock | A summary of activity relating to our restricted stock is as follows (shares in thousands):
| Shares |  | Weighted-Average Grant Date Fair Value
Nonvested as March 31, 2016 | 1,389 |  |  | $ | 11.12 |
Granted | 1,126 |  |  | $ | 3.79 |
Vested | (693 | ) |  | $ | 10.80 |
Forfeited | (114 | ) |  | $ | 11.26 |
Nonvested as March 31, 2017 | 1,708 |  |  | $ | 6.41 |

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- Definition Tabular disclosure of components of a stock option or other award plan under which equity-based compensation is awarded to employees, typically comprised of the amount of unearned compensation (deferred compensation cost), compensation expense, and changes in the quantity and fair value of the shares (or other type of equity) granted, exercised, forfeited, and issued and outstanding pertaining to that plan. Disclosure may also include nature and general terms of such arrangements that existed during the period and potential effects of those arrangements on shareholders, effect of compensation cost arising from equity-based payment arrangements on the income statement, method of estimating the fair value of the goods or services received, or the fair value of the equity instruments granted, during the period, cash flow effects resulting from equity-based payment arrangements and, for registrants that accelerate vesting of out of the money share options, reasons for the decision to accelerate. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 + Details
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- Definition Tabular disclosure of the changes in outstanding nonvested restricted stock shares. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809 + Details
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- Definition Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of employee stock purchase plans, including, but not limited to: (a) expected term, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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