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Selected Quarterly Financial Data | 12 Months Ended
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Dec. 31, 2018
Quarterly Financial Information Disclosure [Abstract] |
Selected Quarterly Financial Data |
1 9. | Selected Quarterly Financial Data (Unaudited; in thousands, except per share amounts)
|  | Year Ended December 31, 2018 |
|  | Q1 |  |  | Q2 |  |  | Q3 |  |  | Q4 |
Total revenues |  | $ | 165 |  |  | $ | 1,254 |  |  | $ | 1,461 |  |  | $ | 5,318 |
Net loss |  | $ | (38,958 | ) |  | $ | (39,444 | ) |  | $ | (40,528 | ) |  | $ | (39,969 | )
Basic and diluted net loss per share |  | $ | (0.63 | ) |  | $ | (0.63 | ) |  | $ | (0.65 | ) |  | $ | (0.64 | )
Shares used to compute basic and diluted net loss per share |  |  | 61,744 |  |  |  | 62,346 |  |  |  | 62,650 |  |  |  | 62,694 |
|  | Year Ended December 31, 2017 |
|  | Q1 |  |  | Q2 |  |  | Q3 |  |  | Q4 |
Total revenues |  | $ | 148 |  |  | $ | 105 |  |  | $ | 53 |  |  | $ | 21 |
Net loss |  | $ | (25,287 | ) |  | $ | (20,318 | ) |  | $ | (22,128 | ) |  | $ | (27,421 | )
Basic and diluted net loss per share |  | $ | (0.60 | ) |  | $ | (0.41 | ) |  | $ | (0.38 | ) |  | $ | (0.45 | )
Shares used to compute basic and diluted net loss per share |  |  | 41,830 |  |  |  | 49,700 |  |  |  | 57,650 |  |  |  | 61,007 |

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- References No definition available. + Details
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- Definition The entire disclosure for quarterly financial data. Includes, but is not limited to, tabular presentation of financial information for fiscal quarters, effect of year-end adjustments, and an explanation of matters or transactions that affect comparability of the information. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -URI http://asc.fasb.org/topic&trid=2126967 + Details
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