NET LOSS PER COMMON SHARE - EPS (Details) - USD ($) $ / shares in Units, $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Numerator: | ||
| Net loss attributable to common stockholders-basic | $ (105,584) | $ (93,961) |
| Net loss attributable to common stockholders-diluted | $ (105,584) | $ (93,961) |
| Denominator: | ||
| Weighted-average common stock outstanding-basic | 25,598,181 | 21,966,326 |
| Weighted-average common stock outstanding-diluted | 25,598,181 | 21,966,326 |
| Net loss per share attributable to common stockholders-basic | $ (4.12) | $ (4.28) |
| Net loss per share attributable to common stockholders-diluted | $ (4.12) | $ (4.28) |