SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Changes in Fair Value Derivative Liability (Details) |
3 Months Ended |
|---|---|
|
Mar. 31, 2021
USD ($)
| |
| Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] | |
| Beginning balance | $ 7,000 |
| Ending balance | 0 |
| The amount of total gain for the period included in earnings attributable to the change in unrealized gains relating to the fair value liabilities still held at the end of the period | 0 |
| Derivative Liability | |
| Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] | |
| Change in fair value of derivative liability | $ (7,000) |