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Quarterly Financial Information (unaudited) | 12 Months Ended
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Dec. 31, 2019
Quarterly Financial Information (unaudited) [Abstract] |
Quarterly Financial Information (unaudited) | Note 13 − Quarterly Financial Information (unaudited)
|  | First |  |  | Second |  |  | Third |  |  | Fourth |
|  |  |  |  | (in thousands except per share) |  |  |  |
2019 |  |  |  |  |  |  |  |  |  |  |  |
Revenue |  | $ | 8 |  |  | $ | 38 |  |  | $ | 4 |  |  | $ | 35 |
Loss from operations |  | $ | (5,634 | ) |  | $ | (4,552 | ) |  | $ | (4,976 | ) |  | $ | (4,503 | )
Net loss |  | $ | (5,608 | ) |  | $ | (4,130 | ) |  | $ | (4,956 | ) |  | $ | (4,485 | )
Basic and diluted (loss) per common share |  | $ | (.08 | ) |  | $ | (.06 | ) |  | $ | (.07 | ) |  | $ | (.07 | )
|  | First |  |  | Second |  |  | Third |  |  | Fourth |
|  |  |  |  | (in thousands except per share) |  |  |  |
2018 |  |  |  |  |  |  |  |  |  |  |  |
Revenue |  | $ | 6 |  |  | $ | 16 |  |  | $ | 7 |  |  | $ | 34 |
Loss from operations |  | $ | (7,608 | ) |  | $ | (6,462 | ) |  | $ | (4,948 | ) |  | $ | (6,439 | )
Net loss |  | $ | (7,605 | ) |  | $ | (6,450 | ) |  | $ | (4,934 | ) |  | $ | (6,417 | )
Basic and diluted (loss) per common share |  | $ | (0.13 | ) |  | $ | (0.10 | ) |  | $ | (0.08 | ) |  | $ | (0.09 | )

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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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