| Dec'19 | Dec'18 | Dec'17 | Dec'16 | Dec'15 | Dec'14 | Dec'13 |
|---|---|---|---|---|---|---|
Revenue | ||||||
200 | 514 | 1,154 | - | - | - | - |
Revenue | ||||||
- | - | - | 1,451 | 2,500 | 0 | 0 |
Operating expenses: | ||||||
Derivative instrument issuance | ||||||
- | - | - | - | - | - | 887 |
Research and development | ||||||
23,228 | 32,871 | 33,230 | 32,832 | 18,825 | 12,511 | 2,109 |
Sales and marketing | ||||||
5,418 | 6,185 | 5,207 | 3,201 | 3,221 | 2,803 | 233 |
General and administrative | ||||||
10,360 | 12,387 | 12,103 | 11,248 | 8,030 | 5,059 | 1,204 |
Total operating expenses | ||||||
39,008 | 51,444 | 50,541 | 47,282 | 30,077 | 20,374 | 4,435 |
Loss from operations | ||||||
-38,807 | -50,929 | -49,387 | -45,830 | -27,577 | -20,374 | -4,435 |
Other income: | ||||||
Change in fair value of derivative liabilities | ||||||
- | - | - | - | - | -26,265 | -177 |
Interest income | ||||||
416 | 89 | 11 | 13 | 15 | -1,024 | -908 |
Loss on disposal of property and equipment | ||||||
-7 | - | -0 | - | - | - | - |
Loss on retirement of fixed assets | ||||||
- | - | - | - | - | -22 | 0 |
Gain on debt extinguishment | ||||||
- | - | - | - | - | 2,084 | 0 |
Total other income | ||||||
408 | 89 | 10 | 13 | 15 | -25,228 | -1,085 |
Net loss | ||||||
-38,399 | -50,840 | -49,376 | -45,817 | -27,561 | -45,603 | -5,521 |
Basic and diluted loss per common share | ||||||
-1.27 | -1.99 | -2.31 | -2.60 | -2.07 | -5.75 | -2.11 |
Weighted average shares outstanding, basic and diluted | ||||||
30,262 | 25,486 | 21,343 | 17,649 | 13,303 | 7,933 | 2,617 |