LEASES - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Lessee, Lease, Description [Line Items]
Right-of-use lease asset	$ 87	$ 226
Lease liability	91	235
Operating lease liability, current	$ 91	152
Lease term using a discount rate	9.50%
Lease not yet commenced, Term	5 years
Net present value of lease not yet commenced	$ 1,100
Lease expense:
Operating lease cost	153	154
Supplemental cash flow information related to leases:
Cash flows from operating leases	158	154
Operating leases	87	226
Supplemental balance sheet information related to leases:
Operating lease right-of-use assets	87	226
Operating lease liability, current	91	152
Operating lease liabilities - long term portion		83
Total operating lease liabilities	$ 91	$ 235
Weighted Average Remaining Lease Term (in years)	7 months 6 days	1 year 7 months 6 days
Discount Rate	9.50%	9.50%
Corporate office
Lessee, Lease, Description [Line Items]
Variable lease terms	Because these amounts are variable from year to year and not specifically set in the lease terms, they are not included in the measurement of the right-of-use asset and related lease liability, but rather expensed in the period incurred.
Lessee, Operating Lease, Existence of Option to Extend [true false]	true
Option to extend, renewal term	3 years
Minimum | Corporate offices, storage space and equipment
Lessee, Lease, Description [Line Items]
Remaining lease term	7 months 6 days
Maximum | Land used in exploration and mining activities, office equipment, machinery, office space, storage and other
Lessee, Lease, Description [Line Items]
Term of contract	1 year