CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares |
Dec. 31, 2021 |
Dec. 31, 2020 |
|---|---|---|
| CONSOLIDATED BALANCE SHEETS | ||
| Preferred stock, par value (in dollars per share) | $ 0.0001 | $ 0.0001 |
| Preferred stock, shares authorized | 10,000,000 | 10,000,000 |
| Preferred stock, shares issued | 0 | 0 |
| Preferred stock, shares outstanding | 0 | 0 |
| Common stock, par value (in dollars per share) | $ 0.0001 | $ 0.0001 |
| Common stock, shares authorized | 290,000,000 | 290,000,000 |
| Common stock, shares issued | 46,553,511 | 28,372,634 |
| Common stock, shares outstanding | 46,553,511 | 28,372,634 |