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Selected quarterly financial data (unaudited) | 12 Months Ended
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Dec. 31, 2019
Quarterly Financial Information Disclosure [Abstract] |
Selected quarterly financial data (unaudited) | 16. Selected quarterly financial data (unaudited) Summarized quarterly financial data for the years ended December 31, 2019 and 2018, are set forth in the following tables:
|  | March 31 |  |  | June 30 |  |  | September 30 |  |  | December 31 |
|  | (In thousands, except per share data) |
2019 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net revenues |  | $ | 17,448 |  |  | $ | 15,002 |  |  | $ | 14,595 |  |  | $ | 15,993 |
Net loss |  | $ | (14,883 | ) |  | $ | (12,387 | ) |  | $ | (10,370 | ) |  | $ | (14,263 | )
Net loss per share — basic and diluted |  | $ | (0.08 | ) |  | $ | (0.07 | ) |  | $ | (0.05 | ) |  | $ | (0.07 | )
Weighted average common shares used to compute net loss per share — basic and diluted |  |  | 187,434 |  |  |  | 188,054 |  |  |  | 199,906 |  |  |  | 206,689 |
2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net revenues |  | $ | 3,465 |  |  | $ | 3,893 |  |  | $ | 4,469 |  |  | $ | 16,031 |
Net loss |  | $ | (30,385 | ) |  | $ | (22,675 | ) |  | $ | (24,168 | ) |  | $ | (9,747 | )
Net loss per share — basic and diluted |  | $ | (0.25 | ) |  | $ | (0.16 | ) |  | $ | (0.16 | ) |  | $ | (0.06 | )
Weighted average common shares used to compute net loss per share — basic and diluted |  |  | 120,911 |  |  |  | 140,054 |  |  |  | 153,597 |  |  |  | 161,397 |

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- References No definition available. + Details
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- Definition The entire disclosure for quarterly financial data. Includes, but is not limited to, tabular presentation of financial information for fiscal quarters, effect of year-end adjustments, and an explanation of matters or transactions that affect comparability of the information. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -URI http://asc.fasb.org/topic&trid=2126967 + Details
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