XML 90 R26.htm IDEA: XBRL DOCUMENT
v3.20.1

Selected Quarterly Financial Data | 12 Months Ended
--- | ---
Dec. 31, 2019
Quarterly Financial Information Disclosure [Abstract] |
Selected Quarterly Financial Data |
1 9. | Selected Quarterly Financial Data (Unaudited; in thousands, except per share amounts)
|  | Year Ended December 31, 2019 |
|  | Q1 |  |  | Q2 |  |  | Q3 |  |  | Q4 |
Total revenues |  | $ | 5,773 |  |  | $ | 8,301 |  |  | $ | 10,575 |  |  | $ | 10,570 |
Net loss |  | $ | (39,672 | ) |  | $ | (42,713 | ) |  | $ | (33,459 | ) |  | $ | (36,756 | )
Net loss allocable to common stockholders |  | $ | (39,672 | ) |  | $ | (42,713 | ) |  | $ | (36,726 | ) |  | $ | (36,756 | )
Net loss per share allocable to common stockholders - basic and diluted |  | $ | (0.62 | ) |  | $ | (0.66 | ) |  | $ | (0.49 | ) |  | $ | (0.44 | )
Weighted average shares used to compute basic and diluted net loss per share allocable to common stockholders |  |  | 63,778 |  |  |  | 65,088 |  |  |  | 75,106 |  |  |  | 83,868 |
|  | Year Ended December 31, 2018 |
|  | Q1 |  |  | Q2 |  |  | Q3 |  |  | Q4 |
Total revenues |  | $ | 165 |  |  | $ | 1,254 |  |  | $ | 1,461 |  |  | $ | 5,318 |
Net loss |  | $ | (38,958 | ) |  | $ | (39,444 | ) |  | $ | (40,528 | ) |  | $ | (39,969 | )
Net loss per share - basic and diluted |  | $ | (0.63 | ) |  | $ | (0.63 | ) |  | $ | (0.65 | ) |  | $ | (0.64 | )
Weighted average shares used to compute basic and diluted net loss per share |  |  | 61,744 |  |  |  | 62,346 |  |  |  | 62,650 |  |  |  | 62,694 |

X
- References No definition available. + Details
Name: | us-gaap_QuarterlyFinancialInformationDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- 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
Name: | us-gaap_QuarterlyFinancialInformationTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration