| Dec'19 | Dec'18 | Dec'17 | Dec'16 | Dec'15 | Dec'14 | |
|---|---|---|---|---|---|---|
Revenues | ||||||
- | - | - | 0 | 0 | 0 | |
Operating expenses: | ||||||
Research and development | ||||||
6,631 | 10,034 | 6,675 | 3,606 | 1,966 | 579 | |
General and administrative | ||||||
5,951 | 5,299 | 3,184 | 2,470 | 1,908 | 1,233 | |
Total operating expenses | ||||||
12,583 | 15,334 | 9,859 | 6,076 | 3,874 | 1,812 | |
Operating loss | ||||||
-12,583 | -15,334 | -9,859 | -6,076 | -3,874 | -1,812 | |
Other income (expense): | ||||||
Interest income | ||||||
290 | 185 | 29 | 9 | 4 | 0 | |
Interest expense | ||||||
312 | 231 | 3 | 7 | 7 | 6 | |
Amortization of debt discount and offering costs | ||||||
439 | 325 | 0 | - | - | - | |
Other expense | ||||||
- | - | - | - | 1 | 0 | |
Amortization of debt discount and offering costs | ||||||
- | - | - | 0 | 0 | - | |
Amortization of debt discount | ||||||
- | - | - | - | - | 0 | |
Total other expense | ||||||
-461 | -371 | 26 | 1 | -3 | -7 | |
Net loss | ||||||
-13,044 | -15,705 | -9,833 | -6,074 | -3,878 | -1,819 | |
Basic and diluted net loss per share | ||||||
-0.30 | -0.38 | -0.26 | -0.18 | -0.12 | -0.14 | |
Weighted average common shares outstanding - basic and diluted | ||||||
42,816 | 41,254 | 37,478 | 33,130 | 32,044 | 12,915 | |