SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Net Loss per Share (Details) - shares |
6 Months Ended | |
|---|---|---|
Jun. 30, 2022 |
Jun. 30, 2021 |
|
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||
| Total potentially dilutive shares | 56,469,261 | 7,821,450 |
| Stock options | ||
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||
| Total potentially dilutive shares | 3,895,103 | 3,875,103 |
| Convertible notes | ||
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||
| Total potentially dilutive shares | 46,240,766 | |
| Common stock warrants | ||
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||
| Total potentially dilutive shares | 6,333,392 | 3,946,348 |