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Selected Quarterly Financial Data (Unaudited - in thousands except per share data) (Tables) | 12 Months Ended
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Dec. 31, 2016
Selected Quarterly Financial Data (Unaudited - in thousands except per share data) |
Schedule of selected quarterly financial data | Selected Quarterly Financial Data (Unaudited—in thousands except per share data)
|  | Quarters Ended |
|  | March 31 |  | June 30 |  | September 30 |  | December 31 |
2016 |  |  |  |  |  |  |  |  |  |  |  |  |
Net loss |  | $ | (43,691 | ) | $ | (51,050 | ) | $ | (46,654 | ) | $ | (58,647 | )
Basic and diluted net loss per common share (1) |  |  | (0.35 | ) |  | (0.40 | ) |  | (0.33 | ) |  | (0.41 | )
2015 |  |  |  |  |  |  |  |  |  |  |  |  |
Net loss |  | $ | (24,288 | ) | $ | (27,133 | ) | $ | (37,800 | ) | $ | (42,897 | )
Basic and diluted net loss per common share (1) |  |  | (0.25 | ) |  | (0.27 | ) |  | (0.32 | ) |  | (0.34 | )
(1) | Per common share amounts for the quarters and full years have been calculated separately. Accordingly, quarterly amounts do not add to the annual amounts because of differences on the weighted-average common shares outstanding during each period principally due to the effect of the Company issuing shares of its common stock during the year.

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- Definition Tabular disclosure of the quarterly financial data in the annual financial statements. The disclosure includes financial information for each fiscal quarter for the current and previous year, including revenues, gross profit, income (loss) before extraordinary items and 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=51825399&loc=d3e1280-108306 + Details
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