| Dec'19 | Dec'18 | Dec'17 | Dec'16 | Dec'15 | Dec'14 | Dec'13 |
|---|---|---|---|---|---|---|
Operating expenses: | ||||||
Research and development expenses | ||||||
6,099 | 830 | 34,311 | 24,825 | 17,839 | 8,473 | 4,484 |
General and administrative expenses | ||||||
10,981 | 2,788 | 17,654 | 14,686 | 8,658 | 4,720 | 2,003 |
Impairment charge - IPR&D | ||||||
2,974 | 0 | - | - | - | - | - |
Lease termination costs | ||||||
-979 | 0 | - | - | - | - | - |
Depreciation and amortization | ||||||
0 | 27 | - | - | - | - | - |
Restructuring expenses | ||||||
- | - | 0 | - | - | - | - |
Impairment of machinery and equipment | ||||||
- | - | 0 | - | - | - | - |
Total operating expenses | ||||||
21,034 | 3,646 | 51,966 | 39,512 | 26,498 | 13,194 | 6,488 |
Loss from operations | ||||||
-21,034 | -3,646 | -51,966 | -39,512 | -26,498 | -13,194 | -6,488 |
Other income (expense): | ||||||
Bargain purchase gain | ||||||
13,334 | 0 | - | - | - | - | - |
Interest income | ||||||
353 | 0 | - | - | - | - | - |
Interest income | ||||||
- | - | 700 | 212 | 9 | 2 | 3 |
Interest expense | ||||||
33 | 3 | 2,180 | 1,203 | 816 | 183 | 3 |
Warrant remeasurement | ||||||
- | - | - | 0 | 1,879 | -582 | 854 |
Other | ||||||
0 | 0 | - | 163 | 0 | 0 | - |
Loss on extinguishment of debt | ||||||
0 | -185 | - | - | - | - | - |
Loss before income taxes | ||||||
-7,380 | -3,836 | -53,445 | -40,666 | -29,186 | -12,792 | -7,342 |
Income taxes (benefit) | ||||||
381 | 0 | -2,586 | -1,845 | -1,107 | -590 | -459 |
Net income (loss) | ||||||
-6,998 | -3,836 | -50,859 | -38,820 | -28,078 | -12,201 | -6,883 |
Comprehensive income (loss) | ||||||
-6,998 | -3,836 | -50,859 | -38,820 | -28,078 | -12,201 | -6,883 |
Net loss per share, basic and diluted (in dollars per share) | ||||||
1.44 | 1.15 | - | - | - | - | - |
Per share information: | ||||||
Cumulative dividend on Series C , C-1 and C-2 convertible preferred stock | ||||||
- | - | - | 0 | 4,356 | 1,580 | 1,076 |
Net loss attributable to common stockholders | ||||||
- | - | - | -38,820 | -32,435 | -13,782 | -7,959 |
Loss per share attributable to common stockholders basic and diluted (in dollars per share) | ||||||
- | - | -1.67 | -1.34 | -4.01 | -8.16 | -4.71 |
Weighted average common shares outstanding basic and diluted (in shares) | ||||||
4,868 | 3,337 | 30,393 | 28,864 | 8,087 | 1,688 | 1,688 |