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Quarterly Financial Information (Unaudited) | 12 Months Ended
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Dec. 31, 2019
Quarterly Financial Information Disclosure [Abstract] |
Quarterly Financial Information (Unaudited) | Quarterly Financial Information (unaudited)
| 1st Quarter |  | 2nd Quarter |  | 3rd Quarter |  | 4th Quarter
| (in thousands, except per share data) |  |  |  |  |  |
2019 |  |  |  |  |  |  |
Revenue | $ | 9,662 |  |  | $ | 10,593 |  |  | $ | 18,741 |  |  | $ | 25,192 |
Net loss | (45,017) |  |  | (31,767) |  |  | (44,631) |  |  | (30,396) |
Net loss per share, basic and diluted | $ | (0.99) |  |  | $ | (0.65) |  |  | $ | (0.91) |  |  | $ | (0.62) |
2018 |  |  |  |  |  |  |
Revenue | $ | 4,695 |  |  | $ | 18,834 |  |  | $ | 20,798 |  |  | $ | 15,794 |
Net loss | (49,536) |  |  | (43,244) |  |  | (34,029) |  |  | (44,644) |
Net loss per share, basic and diluted | $ | (1.34) |  |  | $ | (1.03) |  |  | $ | (0.81) |  |  | $ | (1.06) |

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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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