| Dec'19 | Dec'18 | Dec'17 | Dec'16 | Dec'15 | ||
|---|---|---|---|---|---|---|
Product sales | ||||||
4,874 | 4,449 | 2,088 | 0 | - | ||
Operating cost and expense | ||||||
Cost of product sales | ||||||
24,799 | 22,761 | 9,541 | 0 | - | ||
Research and development cost | ||||||
1,555 | 4,502 | 8,103 | 6,348 | 2,280 | ||
General and administrative expense | ||||||
19,314 | 14,214 | 6,891 | 6,610 | 3,171 | ||
Total operating expense | ||||||
45,668 | 41,477 | - | - | - | ||
Impairment charge | ||||||
- | - | 2,411 | 0 | - | ||
Total operating expense | ||||||
- | - | 26,946 | 12,958 | 5,451 | ||
Loss from operations | ||||||
-40,794 | -37,028 | -24,858 | -12,958 | -5,451 | ||
Other income and (expense) | ||||||
Insurance proceeds net of related expenses | ||||||
792 | 0 | - | - | - | ||
Increase in fair value of derivative liabilities | ||||||
- | - | - | - | -5,776 | ||
Interest expense | ||||||
3,477 | 3,447 | 1,761 | 639 | 1,128 | ||
Interest and other income | ||||||
270 | 223 | 41 | 41 | 26 | ||
Total other expense, net | ||||||
-3,999 | -3,224 | -1,720 | -598 | -6,878 | ||
Loss before income tax expense | ||||||
-44,793 | -40,252 | -26,578 | -13,556 | -12,329 | ||
Income tax expense | ||||||
2 | 2 | 2 | 1 | 3 | ||
Net loss | ||||||
-44,795 | -40,254 | -26,580 | -13,557 | -12,332 | ||
Weighted average shares outstanding, basic and diluted (in shares) | ||||||
52,263 | 34,154 | 20,293 | 15,267 | 8,404 | ||
Basic and diluted net loss per share (in dollars per share) | ||||||
-0.86 | -1.18 | -1.31 | -0.89 | -1.47 | ||