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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 |

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- Definition Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 55 -Paragraph 53 -URI https://asc.fasb.org/extlink&oid=123414884&loc=SL77918982-209971 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=128292326&loc=SL77918686-209980 + Details
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