XML 32 R18.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Quarterly Financial Information (Unaudited) | 12 Months Ended
--- | ---
Dec. 31, 2018
Quarterly Financial Information (Unaudited) |
Quarterly Financial Information (Unaudited) | 12. Quarterly Financial Information (Unaudited) Summarized quarterly financial information for each of the years ended December 31, 2018 and 2017 are as follows:
|  | Quarter Ended |
|  | December 31, |  | September 30, |  | June 30, |  | March 31, |
|  | 2018 |  | 2018 |  | 2018 |  | 2018 |
Revenue |  | $ | — |  | $ | — |  | $ | — |  | $ | — |
Net loss |  | $ | (13,906,915) |  | $ | (11,575,111) |  | $ | (11,278,763) |  | $ | (11,512,844) |
Loss per share—basic and diluted |  | $ | (0.32) |  | $ | (0.27) |  | $ | (0.26) |  | $ | (0.33) |
|  | Quarter Ended |
|  | December 31, |  | September 30, |  | June 30, |  | March 31, |
|  | 2017 |  | 2017 |  | 2017 |  | 2017 |
Revenue |  | $ | — |  | $ | — |  | $ | — |  | $ | — |
Net loss |  | $ | (9,257,858) |  | $ | (7,950,101) |  | $ | (8,141,796) |  | $ | (7,931,313) |
Loss per share—basic and diluted |  | $ | (0.27) |  | $ | (0.24) |  | $ | (0.30) |  | $ | (0.34) |

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