LEASES - Narrative (Details) $ in Millions |
12 Months Ended |
|---|---|
|
Dec. 31, 2019
USD ($)
| |
| Lessee, Lease, Description [Line Items] | |
| Cash paid for operating lease liabilities | $ 2.1 |
| Weighted-average remaining lease term | 47 months |
| Weighted-average discount rate | 13.00% |
| Accrued Liabilities, Current | |
| Lessee, Lease, Description [Line Items] | |
| Current portion of operating lease liability | $ 2.9 |