| Dec'19 | Dec'18 | Dec'17 | ||||
|---|---|---|---|---|---|---|
Operating expenses: | ||||||
Research and development | ||||||
15,436 | 12,826 | 3,730 | ||||
General and administrative | ||||||
14,644 | 9,052 | 727 | ||||
Total operating expenses | ||||||
30,080 | 21,878 | 4,457 | ||||
Loss from operations | ||||||
-30,080 | -21,878 | -4,457 | ||||
Other income (expense): | ||||||
Interest income | ||||||
1,877 | 1,231 | - | ||||
Other expense | ||||||
4 | 1 | - | ||||
Interest expense - related party | ||||||
- | - | 2 | ||||
Total other income | ||||||
1,873 | 1,230 | -2 | ||||
Net loss | ||||||
-28,207 | -20,648 | -4,459 | ||||
Net loss attributable to common stockholders | ||||||
- | - | -9,759 | ||||
Net loss per share, basic and diluted | ||||||
-1.13 | -1.41 | -1.56 | ||||
Net loss attributable to common stockholders | ||||||
- | - | -3.42 | ||||
Weighted average common shares outstanding, basic and diluted | ||||||
24,897 | 14,662 | 2,850 | ||||
Net loss | ||||||
-28,207 | -20,648 | -4,459 | ||||
Other comprehensive gain: | ||||||
Unrealized gain on marketable securities | ||||||
37 | -17 | - | ||||
Comprehensive loss | ||||||
-28,170 | -20,665 | -4,459 | ||||
Series A Preferred Stock [Member] | ||||||
Deemed dividend on Series A preferred stock | ||||||
- | - | 5,300 | ||||
Deemed dividend on Series A preferred stock | ||||||
- | - | -1.86 | ||||