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STOCK-BASED COMPENSATION | 9 Months Ended
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Dec. 31, 2018
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
STOCK-BASED COMPENSATION | STOCK-BASED COMPENSATION The following tables summarize information pertaining to the stock-based compensation expense from stock options and stock awards (in thousands, except weighted-average grant-date fair value and recognition period):
|  | Three Months Ended December 31, |  | Nine Months Ended December 31,
|  | 2018 |  | 2017 |  | 2018 |  | 2017
Cost of service revenue |  | $ | 680 |  |  | $ | 455 |  |  | $ | 1,775 |  |  | $ | 1,319 |
Research and development |  | 3,570 |  |  | 1,794 |  |  | 8,587 |  |  | 4,445 |
Sales and marketing |  | 5,590 |  |  | 3,362 |  |  | 13,262 |  |  | 8,577 |
General and administrative |  | 2,695 |  |  | 2,519 |  |  | 7,950 |  |  | 6,797 |
Total |  | $ | 12,535 |  |  | $ | 8,130 |  |  | $ | 31,574 |  |  | $ | 21,138 |
|  | Nine Months Ended December 31,
|  | 2018 |  | 2017
Stock options outstanding at the beginning of the period: |  | 3,998 |  |  | 4,462 |
Options granted |  | 222 |  |  | 427 |
Options exercised |  | (641 | ) |  | (421 | )
Options canceled and forfeited |  | (192 | ) |  | (176 | )
Options outstanding at the end of the period: |  | 3,387 |  |  | 4,292 |
Weighted-average fair value of grants during the period |  | $ | 8.27 |  |  | $ | 5.30 |
Total intrinsic value of options exercised during the period |  | $ | 9,148 |  |  | $ | 4,312 |
Weighted-average remaining recognition period at period-end (in years) |  | 2.53 |  |  | 2.14 |
Stock awards outstanding at the beginning of the period: |  | 5,939 |  |  | 4,950 |
Stock awards granted |  | 4,993 |  |  | 2,884 |
Stock awards vested |  | (2,123 | ) |  | (1,615 | )
Stock awards canceled and forfeited |  | (700 | ) |  | (447 | )
Stock awards outstanding at the end of the period: |  | 8,109 |  |  | 5,772 |
Weighted-average fair value of grants during the period |  | $ | 20.05 |  |  | $ | 13.89 |
Weighted-average remaining recognition period at period-end (in years) |  | 2.4 |  |  | 2.67 |
Total unrecognized compensation expense at period-end |  | $ | 112,970 |  |  | $ | 64,625 |
Stock Repurchases In May 2017, the Company's board of directors authorized the Company to purchase up to $25.0 million of its common stock from time to time (the "2017 Repurchase Plan"). The 2017 Repurchase Plan expires when the maximum purchase amount is reached, or upon the earlier revocation or termination by the board of directors. The remaining amount available under the 2017 Repurchase Plan at December 31, 2018 was approximately $7.1 million. There were no stock repurchases under the 2017 Repurchase Plan during the nine months period ended December 31, 2018.

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- Definition The entire disclosure for accounts comprising shareholders' equity, comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income, and compensation-related costs for equity-based compensation. Includes, but is not limited to, disclosure of policies, compensation plan details, equity-based arrangements to obtain goods and services, deferred compensation arrangements, and employee stock purchase plan details. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -URI http://asc.fasb.org/topic&trid=2208762 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -URI http://asc.fasb.org/topic&trid=2228938 + Details
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