CONDENSED BALANCE SHEETS (Parenthetical) - $ / shares |
Mar. 31, 2021 |
Dec. 31, 2020 |
|---|---|---|
| Statement of Financial Position [Abstract] | ||
| Preferred stock, par value (in usd per share) | $ 0.001 | $ 0.001 |
| Preferred stock, shares authorized (in shares) | 10,000,000 | 10,000,000 |
| Preferred stock, shares issued (in shares) | 0 | 0 |
| Preferred stock, shares outstanding (in shares) | 0 | 0 |
| Common stock, par value (in usd per share) | $ 0.001 | $ 0.001 |
| Common stock, shares authorized (in shares) | 200,000,000 | 200,000,000 |
| Common stock, shares issued (in shares) | 47,982,000 | 29,471,854 |
| Common stock, shares outstanding (in shares) | 47,952,033 | 29,441,887 |
| Treasury stock, shares (in shares) | 29,967 | 29,967 |