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Net income (loss) per share | 3 Months Ended
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Mar. 31, 2020
Net income (loss) per share |
Net income (loss) per share | 15. Net income (loss) per share Net income (loss) per share was calculated as follows for the periods indicated below:
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Three Months Ended | ​
​ |  | March 31, |
(in thousands, except per share data) |  |  | 2020 |  | 2019 |
Basic Net Income (Loss) Per Share | ​ | ​ | ​ | ​ | ​ | ​ | ​
Basic net income (loss) per share | ​ | $ | (720,642) | ​ | $ | 102,312 | ​
Weighted average common shares outstanding | ​ | ​ | 216,721 | ​ | ​ | 214,065 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Basic net income (loss) per share | ​ | $ | (3.33) | ​ | $ | 0.48 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Diluted Net Income (Loss) Per Share | ​ | ​ | ​ | ​ | ​ | ​ | ​
Diluted net income (loss) | ​ | $ | (720,642) | ​ | $ | 102,312 | ​
Weighted average common shares outstanding | ​ | ​ | 216,721 | ​ | ​ | 214,065 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Dilutive stock options and awards | ​ | ​ | — | ​ | ​ | 2,996 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Weighted average shares used to compute diluted net income (loss) per share | ​ | ​ | 216,721 | ​ | ​ | 217,061 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Diluted net income (loss) per share | ​ | $ | (3.33) | ​ | $ | 0.47 | ​
​ The potential common shares that were excluded from the diluted net income (loss) per share computation are as follows:
​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended | ​
​ | ​ | March 31, | ​
​ |  | 2020 |  | 2019 |
Outstanding stock options and awards |  | 15,544,348 | ​ | 9,318,013 |
Common shares issuable upon conversion of the 2020 Notes |  | 368,939 | ​ | 368,939 |
Total potential common shares excluded from diluted net income (loss) per share computation |  | 15,913,287 |  | 9,686,952 |
​

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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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