| Dec'19 | Dec'18 | Dec'17 | Dec'16 | Dec'15 | Dec'14 | Dec'13 | Dec'12 | Dec'11 |
|---|---|---|---|---|---|---|---|---|
Revenues | ||||||||
21 | 138 | 15 | 19 | 34 | 71 | - | 97 | - |
Revenue | ||||||||
- | - | - | - | - | - | 399 | 97 | - |
Operating expenses: | ||||||||
Research and development expenses | ||||||||
- | - | - | - | - | - | - | - | 6,190 |
Research and development employee stock-based compensation expense | ||||||||
- | - | - | - | - | - | - | - | 513 |
Research and development non-employee stock-based compensation expense | ||||||||
- | - | - | - | - | - | - | - | -79 |
Research and development | ||||||||
4,300 | 4,326 | 5,370 | 5,415 | 6,925 | 5,680 | 17,651 | 10,451 | 6,624 |
Acquired in-process research and development | ||||||||
- | - | 4,696 | - | - | - | - | - | - |
General and administrative expenses | ||||||||
- | - | - | - | - | - | - | - | 4,357 |
General and administrative employee stock-based compensation | ||||||||
- | - | - | - | - | - | - | - | 1,675 |
Fair value of Parent Company common stock and common stock warrants issued for general and administrative expense | ||||||||
- | - | - | - | - | - | - | - | 114 |
General and administrative | ||||||||
4,708 | 3,176 | 4,011 | 3,619 | 3,346 | 3,217 | 3,697 | 2,621 | 6,146 |
Total operating expenses | ||||||||
9,008 | 7,502 | 14,077 | 9,034 | 10,271 | 8,897 | 21,348 | 13,072 | - |
Operating loss | ||||||||
-8,987 | -7,364 | -14,062 | -9,015 | -10,237 | -8,826 | -20,949 | -12,975 | -12,770 |
Interest (expense) income, net | ||||||||
- | - | - | 15 | 16 | 17 | 24 | - | - |
Interest income (expense), net | ||||||||
- | - | - | - | - | - | - | -30 | - |
Other (expense) income, net | ||||||||
- | - | - | 6 | -2 | 9 | - | 125 | 2,551 |
Total other income, net | ||||||||
79 | 4 | -11 | 21 | 14 | 26 | - | - | - |
Loss before income taxes | ||||||||
-8,908 | -7,360 | -14,073 | -8,994 | -10,223 | -8,800 | -20,925 | -12,880 | -10,219 |
Provision for income taxes | ||||||||
0 | 0 | -1,621 | - | 0 | 0 | 0 | 0 | 0 |
Net loss | ||||||||
-8,908 | -7,360 | -12,452 | -8,994 | -10,223 | -8,800 | -20,925 | -12,880 | -10,219 |
Accretion of beneficial conversion feature related to Series B Convertible Preferred Stock | ||||||||
- | - | - | 2,075 | 209 | 4,130 | 8,610 | - | - |
Series A and Series A-1 convertible preferred stock dividends | ||||||||
- | - | - | - | - | - | - | 12,815 | - |
Net loss attributable to common stockholders | ||||||||
- | - | - | -11,069 | -10,432 | -12,930 | -29,535 | -25,695 | -10,219 |
Net loss per share: Basic and diluted | ||||||||
-19.33 | -57.46 | -5.52 | -16.41 | -2.10 | -7.90 | -2.88 | -5.62 | -0.28 |
Weighted average shares: basic and diluted | ||||||||
460 | 128 | 2,257 | 674 | 4,970 | 1,636 | 10,263 | 4,573 | 36,334 |