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Federal Income Taxes (Details Narrative) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017
Decrease in valuation allowance | $ 39,100 | $ 39,100
Income tax reconciliation description | The United States enacted comprehensive tax reform legislation known as the "Tax Cuts and Jobs Act' that, among other things, reduces the U.S. Federal corporate income tax rate from 35% to 21% and implements a territorial tax system, but imposes an alternative 'base erosion and anti-abuse tax' ('BEAT'), and incremental tax on global intangible low tax foreign income ('GILTI') effective January 1, 2018. |
Percentage on Federal corporate income tax rate | 21.00% | 34.00%
Percentage of valuation allowance recorded against the net deferred tax assets | 100.00% |
Capital loss carryforward | $ 728 | $ 1,013
Deferred tax assets, operating loss carryforwards | 11,666 | $ 56,781
Neutron Energy Inc [Member] |  |
Net operating loss carryforwards | 32,800 |
Alabama Graphite Corp. [Member] |  |
Net operating loss carryforwards | 1,600 |
U [S] |  |
Net operating loss carryforwards | 256,000 |
Capital loss carryforward | 500 |
Deferred tax assets, operating loss carryforwards | $ 234,800 |
U [S] | Minimum [Member] |  |
Operating loss carryforwards expiration year | 2019 |
Capital loss carryforwards expiration year | 2021 |
U [S] | Maximum [Member] |  |
Operating loss carryforwards expiration year | Indefinite availability |
Capital loss carryforwards expiration year | 2022 |
Australia [Member] |  |
Net operating loss carryforwards | $ 13,500 |
Anatolia [Member] |  |
Net operating loss carryforwards | 13,300 |
T [R] |  |
Net operating loss carryforwards | $ 2,100 |
T [R] | Minimum [Member] |  |
Operating loss carryforwards expiration year | 2019 |
T [R] | Maximum [Member] |  |
Operating loss carryforwards expiration year | 2023 |
Canada [Member] |  |
Net operating loss carryforwards | $ 6,700 |

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