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8. Income Taxes (Details - Deferred tax assets) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Deferred tax assets: |  |
Net operating loss and capital loss carryforwards and credits | $ 112,280 | $ 104,862
Unrealized loss on investments held at fair value | 538 | 2,455
Stock compensation | 358 | 1,365
Fixed assets and intangibles | 1,316 | 3,330
Basis of investments in affiliates | 300 | 286
Accrued liabilities and other | 631 | 208
State taxes | 25 | 26
Total deferred tax assets | 115,448 | 112,532
Valuation allowance | (115,077) | (112,514)
Total deferred tax assets, net of valuation allowance | 371 | 18
Deferred tax liabilities: |  |
ROU Asset | (347) | 0
Other | (24) | (18)
Total deferred tax liabilities | (371) | (18)
Net deferred tax assets (liabilities) | $ 0 | $ 0

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