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Selected Quarterly Financial Information (Unaudited) (Table) | 12 Months Ended
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Dec. 31, 2019
Quarterly Financial Information Disclosure [Abstract] |
Schedule of Selected Quarterly Financial Information (Unaudited) | The following is a summary of the quarterly results of the Company for the years ended December 31, 2019 and 2018 (unaudited, in thousands, except for per share data):
| Year Ended December 31, 2019 |
| First Quarter |  |  | Second Quarter |  |  | Third Quarter |  |  | Fourth Quarter |
Operating loss |  | (34,017 | ) |  |  | (46,349 | ) |  |  | (49,986 | ) |  |  | (55,787 | )
Net loss |  | (32,611 | ) |  |  | (44,498 | ) |  |  | (48,500 | ) |  |  | (54,698 | )
Per common share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss per share, basic and diluted |  | (0.90 | ) |  |  | (0.74 | ) |  |  | (0.80 | ) |  |  | (0.89 | )
| Year Ended December 31, 2018 |
| First Quarter |  |  | Second Quarter |  |  | Third Quarter |  |  | Fourth Quarter |
Operating loss |  | (26,126 | ) |  |  | (33,036 | ) |  |  | (50,024 | ) |  |  | (39,807 | )
Net loss |  | (26,037 | ) |  |  | (32,729 | ) |  |  | (49,409 | ) |  |  | (38,794 | )
Per common share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss per share, basic and diluted |  | (4.31 | ) |  |  | (5.52 | ) |  |  | (8.03 | ) |  |  | (4.92 | )

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- Definition Tabular disclosure of quarterly financial data. Includes, but is not limited to, financial information for fiscal quarters, cumulative effect of a change in accounting principle and earnings per share data. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=118952077&loc=d3e1280-108306 + Details
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