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