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Note 4 - Computation of Net Loss per Common Share - Reconciliation of Numerators and Denominators of EPS Calculation (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Dec. 31, 2019 | Sep. 30, 2019 | Jun. 30, 2019 | Dec. 31, 2018 | Sep. 30, 2018 | Jun. 30, 2018 | Dec. 31, 2019 | Dec. 31, 2018
Numerator: |  |  |  |  |  |  |  |
Net (loss) income | $ (6,845) | $ (825) | $ (3,539) | $ 17,293 | $ 22,558 | $ (4,737) | $ (11,209) | $ 35,114
Less: decrease in fair value of warrants, net of income tax | (556) |  |  | 0 |  |  | (4,648) | 0
Plus: change in fair value due to exercise of warrants | 0 |  |  | 0 |  |  | 83 | 0
Net income (loss) - diluted | $ (7,401) |  |  | $ 17,293 |  |  | $ (15,774) | $ 35,114
Denominator: |  |  |  |  |  |  |  |
Weighted-average shares of common stock outstanding (in shares) | 22,110 |  |  | 21,396 |  |  | 21,729 | 21,216
Weighted-average shares subject to repurchase (in shares) | (925) |  |  | (977) |  |  | (943) | (916)
Shares used in per-share calculation - basic (in shares) | 21,185 |  |  | 20,419 |  |  | 20,786 | 20,300
Common stock awards (in shares) | 0 |  |  | 445 |  |  | 0 | 238
Common stock warrants (in shares) | 18 |  |  | 0 |  |  | 108 | 0
Shares used in per-share calculation - diluted (in shares) | 21,203 |  |  | 20,864 |  |  | 20,894 | 20,538
Net (loss) income per share - basic (in dollars per share) | $ (0.32) |  |  | $ 0.85 |  |  | $ (0.54) | $ 1.73
Net (loss) income per share - diluted (in dollars per share) | $ (0.35) |  |  | $ 0.83 |  |  | $ (0.75) | $ 1.71

X
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