| Dec'19 | Dec'18 | Dec'17 | Dec'16 | Dec'15 | Dec'14 | Dec'13 | Dec'12 | Dec'11 | Dec'10 |
|---|---|---|---|---|---|---|---|---|---|
Revenue | |||||||||
- | - | 37 | 13 | 0 | 0 | 0 | 0 | 0 | 0 |
Operating expenses | |||||||||
Research and development | |||||||||
4,585 | 4,603 | 5,480 | 5,474 | 3,020 | 1,630 | 1,518 | 1,132 | - | - |
General and administrative | |||||||||
4,108 | 3,379 | 3,523 | 3,014 | 2,465 | 2,715 | 1,634 | 986 | 1,224 | 1,126 |
Impairment of technology license | |||||||||
0 | 608 | 0 | - | - | - | - | - | - | - |
Total operating expenses | |||||||||
8,693 | 8,590 | 9,003 | 8,488 | 5,485 | 4,542 | 3,269 | 2,582 | 2,365 | 2,326 |
Net operating loss | |||||||||
-8,693 | -8,590 | -8,966 | -8,475 | -5,485 | -4,542 | -3,269 | -2,582 | -2,365 | -2,326 |
Other income (loss) | |||||||||
Change in fair value of warrant liability | |||||||||
- | - | -2,374 | -1,713 | 0 | 0 | - | - | - | - |
Loss on extinguishment of warrant liability | |||||||||
- | - | -440 | 0 | - | - | - | - | - | - |
Interest income | |||||||||
94 | 7 | 9 | 12 | 18 | 23 | 4 | 0 | 2 | 1 |
Other income | |||||||||
- | - | - | - | - | - | - | - | 0 | 244 |
Other expense | |||||||||
- | - | - | - | - | - | 0 | 0 | 0 | 0 |
Total other income | |||||||||
94 | 7 | 1,943 | 1,725 | 18 | 23 | 3 | 0 | 2 | 244 |
Net loss before income taxes | |||||||||
- | - | - | - | - | - | -3,266 | -2,582 | -2,363 | -2,081 |
Income tax expense | |||||||||
- | - | - | - | - | - | 0 | 0 | 0 | 0 |
Net loss | |||||||||
-8,599 | -8,583 | -7,023 | -6,750 | -5,467 | -4,519 | -3,266 | -2,582 | -2,363 | -2,081 |
Deemed dividend related to warrant conversion | |||||||||
- | - | 1,038 | 0 | - | - | - | - | - | - |
Net loss attributable to common stockholders | |||||||||
- | - | -8,061 | -6,750 | - | - | - | - | - | - |
Net loss per share, basic and diluted (in dollars) | |||||||||
-3.24 | -14.38 | -15.99 | -0.73 | -0.06 | -0.05 | -0.05 | -0.04 | -0.04 | -0.04 |
Basic and diluted weighted average number of common shares outstanding | |||||||||
2,657 | 597 | 504 | 9,270 | 89,763 | 89,282 | 71,372 | 59,317 | 53,844 | - |
Basic and diluted weighted average number of common shares outstanding | |||||||||
- | - | - | - | - | - | - | - | - | 48,153 |