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Condensed Quarterly Financial Data (unaudited) (Tables) | 12 Months Ended
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Dec. 31, 2017
Condensed Quarterly Financial Data (unaudited) |
Schedule of Quarterly Financial Data |
|  | 2017 Quarter Ended |
|  | March 31, |  | June 30, |  | September 30, |  | December 31, |
Total revenue |  | $ | 4,340 |  | $ | 13,340 |  | $ | 7,090 |  | $ | 10,941 |
Loss from operations |  |  | (15,519) |  |  | (7,670) |  |  | (16,490) |  |  | (13,882) |
Net loss |  |  | (14,635) |  |  | (6,885) |  |  | (15,562) |  |  | (11,843) |
Basic net loss per common share |  |  | (0.31) |  |  | (0.15) |  |  | (0.33) |  |  | (0.25) |
Diluted net loss per common share |  | $ | (0.31) |  | $ | (0.15) |  | $ | (0.33) |  | $ | (0.25) |
|  | 2016 Quarter Ended |
|  | March 31, |  | June 30, |  | September 30, |  | December 31, |
Total revenue |  | $ | 7,252 |  | $ | 66,007 |  | $ | 7,821 |  | $ | 6,440 |
Income (loss) from operations |  |  | (6,733) |  |  | 48,556 |  |  | (9,255) |  |  | (10,028) |
Net income (loss) |  |  | (6,398) |  |  | 47,156 |  |  | (8,077) |  |  | (9,065) |
Basic net income (loss) per common share |  |  | (0.16) |  |  | 1.16 |  |  | (0.20) |  |  | (0.21) |
Diluted net income (loss) per common share |  | $ | (0.16) |  | $ | 1.13 |  | $ | (0.20) |  | $ | (0.21) |

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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/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a)-(j) -URI http://asc.fasb.org/extlink&oid=84173487&loc=d3e1280-108306 + Details
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