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Quarterly Consolidated Financial Data (Unaudited) (Tables) | 12 Months Ended
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Dec. 31, 2018
Quarterly Consolidated Financial Data (Unaudited) |
Summary of quarterly consolidated financial data (unaudited) |
|  | Quarter Ended |
|  | March 31, |  | June 30, |  | September 30, |  | December 31, |
Year ended December 31, 2018: |  |  |  |  |  |  |  |  |  |  |  |  |
Operating revenues |  | $ | 49,880 |  | $ | 36,158 |  | $ | 40,448 |  | $ | 27,670 |
Loss from operations |  | $ | (1,640) |  | $ | (6,291) |  | $ | (5,234) |  | $ | (11,862) |
Net loss |  | $ | (1,709) |  | $ | (5,711) |  | $ | (5,171) |  | $ | (11,816) |
Basic loss per share of common stock |  | $ | (0.07) |  | $ | (0.25) |  | $ | (0.23) |  | $ | (0.51) |
Diluted loss per share of common stock |  | $ | (0.07) |  | $ | (0.25) |  | $ | (0.23) |  | $ | (0.51) |
|  | (as adjusted) |  | (as adjusted) |  | (as adjusted) |  | (as adjusted) |
Year ended December 31, 2017: |  |  |  |  |  |  |  |  |  |  |  |  |
Operating revenues |  | $ | 42,366 |  | $ | 31,640 |  | $ | 45,108 |  | $ | 37,418 |
Loss from operations |  | $ | (12,139) |  | $ | (15,504) |  | $ | (4,299) |  | $ | (6,022) |
Net loss |  | $ | (9,152) |  | $ | (14,928) |  | $ | (2,922) |  | $ | (4,788) |
Basic loss per share of common stock |  | $ | (0.40) |  | $ | (0.66) |  | $ | (0.13) |  | $ | (0.21) |
Diluted loss per share of common stock |  | $ | (0.40) |  | $ | (0.66) |  | $ | (0.13) |  | $ | (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/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=109225645&loc=d3e1280-108306 + Details
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