CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares |
Jun. 30, 2020 |
Dec. 31, 2019 |
|---|---|---|
| Common stock | ||
| Common stock, par value (in dollars per share) | $ 0.0001 | $ 0.0001 |
| Common stock, shares authorized | 100,000,000 | 100,000,000 |
| Common stock, shares issued | 21,834,692 | 21,746,392 |
| Common stock, shares outstanding | 21,834,692 | 21,746,392 |
| Class A common stock | ||
| Common stock, par value (in dollars per share) | $ 0.0001 | $ 0.0001 |
| Common stock, shares authorized | 3,900,000 | 3,900,000 |
| Common stock, shares issued | 3,819,732 | 3,819,732 |
| Common stock, shares outstanding | 3,819,732 | 3,819,732 |