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Selected Quarterly Financial Data (Unaudited - in thousands except per share data) | 12 Months Ended
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Dec. 31, 2016
Selected Quarterly Financial Data (Unaudited - in thousands except per share data) |
Selected Quarterly Financial Data (Unaudited - in thousands except per share data) | 20. 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 The entire disclosure for the quarterly financial data in the annual financial statements. The disclosure may include a tabular presentation of financial information for each fiscal quarter for the current and previous year, including revenues, gross profit, income or loss before extraordinary items and earnings per share data. It also includes an indication if the information in the note is unaudited, comments on the aggregate effect of year-end adjustments, and an explanation of matters or transactions that affect comparability or are pertinent to an understanding of the information furnished. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 45 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=51655806&loc=d3e765-108305 Reference 2: 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 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=51655806&loc=d3e725-108305 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 6 -Section G -Subsection 1 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 302 -Paragraph a + Details
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