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Computation of Net Income (Loss) per Common Share | 6 Months Ended
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Sep. 30, 2018
Earnings Per Share [Abstract] |
Computation of Net Income (Loss) per Common Share | Computation of Net Income (Loss) per Common Share Basic net income (loss) per share (“EPS”) is computed by dividing net income (loss) by the weighted-average number of common shares outstanding for the period. Where applicable, diluted EPS is computed by dividing the net income (loss) by the weighted-average number of common shares and dilutive common equivalent shares outstanding during the period, calculated using the treasury stock method. Common equivalent shares include the effect of restricted stock, exercise of stock options and warrants and contingently issuable shares. For the three months ended September 30, 2018, 1.6 million shares were not included in the calculation of diluted EPS as they were considered anti-dilutive, of which 0.3 million relate to outstanding stock options, 0.9 million relate to outstanding warrants and 0.4 million relate to outstanding awards. For the six months ended September 30, 2018, 1.4 million shares were not included in the calculation of diluted EPS as they were considered anti-dilutive, of which 0.2 million relate to outstanding stock options, 0.9 million relate to outstanding warrants and 0.3 million relate to outstanding awards. For the three and six months ended September 30, 2017, 1.5 million shares were not included in the calculation of diluted EPS as they were considered anti-dilutive, of which 0.3 million relate to outstanding stock options, and 1.2 million relate to outstanding warrants. The following table reconciles the numerators and denominators of the earnings per share calculation for the three and six months ended September 30, 2018 and 2017 (in thousands, except per share data):
| Three months ended September 30, |  | Six months ended September 30,
| 2018 |  | 2017 |  | 2018 |  | 2017
Numerator: |  |  |  |  |  |  |
Net income (loss) | $ | 22,558 |  |  | $ | (7,281 | ) |  | $ | 17,821 |  |  | $ | (22,533 | )
Denominator: |  |  |  |  |  |  |
Weighted-average shares of common stock outstanding | 21,252 |  |  | 19,531 |  |  | 21,126 |  |  | 18,316 |
Weighted-average shares subject to repurchase | (939 | ) |  | (471 | ) |  | (886 | ) |  | (391 | )
Shares used in per-share calculation ― basic | 20,313 |  |  | 19,060 |  |  | 20,240 |  |  | 17,925 |
Shares used in per-share calculation ― diluted | 20,581 |  |  | 19,060 |  |  | 20,560 |  |  | 17,925 |
Net income (loss) per share ― basic | $ | 1.11 |  |  | $ | (0.38 | ) |  | $ | 0.88 |  |  | $ | (1.26 | )
Net income (loss) per share ― diluted | $ | 1.10 |  |  | $ | (0.38 | ) |  | $ | 0.87 |  |  | $ | (1.26 | )

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -URI http://asc.fasb.org/topic&trid=2144383 + Details
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