SHARE BASED COMPENSATION - Schedule of Assumptions Used to Estimate the Fair Value of the Options (Details) |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Assumptions used to estimate fair value of the options | |||
| Average risk-free rate of return, minimum (as a percent) | 2.87% | 0.33% | 0.09% |
| Average risk-free rate of return, maximum (as a percent) | 3.98% | 0.97% | 0.10% |
| Weighted average expected option life | 3 years | 3 years | 1 year |
| Volatility rate, minimum (as a percent) | 129.34% | 131.84% | 104.01% |
| Volatility rate, maximum (as a percent) | 132.67% | 132.91% | 119.20% |
| Dividend yield (as a percent) | 0.00% | 0.00% | 0.00% |
| Maximum | |||
| Assumptions used to estimate fair value of the options | |||
| Weighted average expected option life | 6 years | ||