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FEDERAL INCOME TAXES - Schedule of Reconciliation of Expected Income Tax on Net Income at Statutory Rates (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
FEDERAL INCOME TAXES. |  |  |  |
Net loss | $ (13,913) | $ (6,004) |  |
Statutory tax rate | 21.00% | 21.00% | 21.00% | 35.00%
Tax recovery at statutory rate | $ (2,922) | $ (1,261) |  |
State tax rate | 938 | (238) |  |
Foreign tax rate | 1 | (5) |  |
Change in US tax rates | 309 | (1,855) |  |
Other adjustments | (9) | (101) |  |
Capital loss carryforward adjustment | (21) | 388 |  |
Operating loss carryforward adjustment | (218) | (964) |  |
Operating loss Section 382 adjustment | 978 |  |  |
Anatolia Energy Ltd Share issue Cost adjustment | 270 |  |  |
Alabama Graphite Corporation conversion to US entity |  | 1,999 |  |
Derivative tax adjustment |  | (590) |  |
Nondeductible write-offs | 7 | (55) |  |
Sale of Uranium Entities | (10,553) |  |  |
Change in valuation allowance | $ 11,220 | 2,682 |  |
Income tax expense (recovery) |  |  |  |

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