COMMITMENTS AND CONTINGENCIES - Lease Costs (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($)
Lease Cost:
Operating lease (including related operating costs)	$ 298
Short-term property leases	263
Total Lease Costs	$ 561
Supplemental Information:
Weighted-average remaining lease term - operating leases (in years)	9 months
Weighted-average discount rate - operating leases	12.00%