v3.10.0.1

Quarterly financial data (unaudited) (Tables) | 12 Months Ended
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Dec. 31, 2018
Quarterly financial data (unaudited) |
Summary of unaudited quarterly financial data | Summarized unaudited quarterly financial data for fiscal years 2018 and 2017 are as follows:
|  | Quarter Ended
2018 |  | March 31 |  | June 30 |  | September 30 |  | December 31
Revenue |  | $ | 58,159 |  | $ | 59,601 |  | $ | 65,253 |  | $ | 67,808
(Loss) income from operations |  | $ | (2,566) |  | $ | 2,576 |  | $ | 150 |  | $ | (3,157)
Net (loss) income attributable to common stockholders |  | $ | (3,229) |  | $ | 2,115 |  | $ | (522) |  | $ | 416
Basic and diluted (loss) income per share |  | $ | (0.08) |  | $ | 0.05 |  | $ | (0.01) |  | $ | 0.01
|  | Quarter Ended
2017 |  | March 31 |  | June 30 |  | September 30 |  | December 31
Revenue |  | $ | 44,333 |  | $ | 49,033 |  | $ | 53,655 |  | $ | 57,348
Loss from operations |  | $ | (6,578) |  | $ | (7,670) |  | $ | (2,989) |  | $ | (3,464)
Net loss attributable to common stockholders |  | $ | (6,880) |  | $ | (8,017) |  | $ | (3,450) |  | $ | (1,019)
Basic and diluted loss per share |  | $ | (0.18) |  | $ | (0.20) |  | $ | (0.09) |  | $ | (0.02)

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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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