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8. Income Taxes (Details - Deferred tax assets) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Deferred tax assets: |  |
Net operating loss and capital loss carryforwards and credits | $ 113,561 | $ 112,280
Unrealized loss on investments held at fair value | 0 | 538
Stock compensation | 497 | 358
Fixed assets and intangibles | 677 | 1,316
Basis of investments in affiliates | 254 | 300
Accrued liabilities and other | 762 | 631
State taxes | 15 | 25
Total deferred tax assets | 115,766 | 115,448
Valuation allowance | (76,969) | (115,077)
Total deferred tax assets, net of valuation allowance | 38,797 | 371
Deferred tax liabilities: |  |
ROU Asset | (330) | (347)
Unrealized loss on investments held at fair value | (38,374) | 0
Other | (93) | (24)
Total deferred tax liabilities | (38,797) | (371)
Net deferred tax assets (liabilities) | $ 0 | $ 0

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