In millions, except per share items | Dec-31-22 | Dec-31-21 | Dec-31-20 | Dec-31-19 | Dec-31-18 |
| 10-K | 10-K | 10-K | S-1/A | S-1 |
OPERATING EXPENSES: | | | | | |
Research and development | 6.3 | 4.3 | 3.1 | | |
General and administrative | 9.8 | 8.3 | 8.1 | 9.6 | 4.0 |
TOTAL OPERATING EXPENSES | 16.1 | 12.6 | 11.2 | 15.5 | 11.1 |
|
OTHER INCOME (EXPENSE): | | | | | |
Interest income | 0.3 | 0.0 | 0.2 | 0.4 | |
Change in fair value of warrant liability | 8.4 | | 1.7 | | |
Change in fair value of derivative liability | 1.8 | | | | |
TOTAL OTHER INCOME (EXPENSE) | 10.6 | 0.0 | -1.5 | | |
Net loss before income taxes | 5.6 | 12.6 | 12.7 | | |
Net loss | -5.6 | -12.6 | 12.7 | 15.1 | 11.0 |
Preferred Stock dividends | 0.1 | | | | |
Net loss attributable to common stockholders | 5.7 | 12.6 | 15.1 | 15.1 | |
|
PER SHARE DATA: | | | | | |
Basic loss per common share | $0.81 | $2.51 | $12.03 | $3.01 | ($1.37) |
Diluted loss per common share | $0.81 | $2.51 | $12.03 | $3.01 | ($1.37) |
|
Basic weighted average common shares outstanding | 7.0 | 5.0 | 1.3 | 5.0 | 8.1 |
Diluted weighted average common shares outstanding | 7.0 | 5.0 | 1.3 | | |