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9. Income Taxes (Details Narrative) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Income tax expense (benefit) | $ 3,756 | $ 3,841 | $ 28,306
Net deferred tax asset | 15,500 |  |
Unrecognized tax benefits | 0 |  |
Tax planning strategies [Member] |  |  |
Income tax expense (benefit) |  | $ (2,100) |
Federal [Member] |  |  |
Net deferred tax asset | 11,500 |  |
State [Member] |  |  |
Net deferred tax asset | 4,000 |  |
Net operating loss carryforward | $ 70,500 |  |
NOL beginning expiration date | Dec. 31, 2024 |  |

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