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Income Taxes Deferred Taxes (Details) - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Deferred tax assets: |  |
Deferred Tax Asset, Operating and Capital Loss Carryforwards and Credits | $ 104,862 | $ 90,871
Deferred Tax Assets, Unrealized Loss on Investment | 2,455 | 0
Stock compensation | 1,365 | 2,635
Deferred tax assets intangibles and fixed assets | 3,330 | 6,197
Basis of investments in affiliates | 286 | 984
Accrued liabilities and other | 208 | 167
Deferred Tax Assets, State Taxes | 26 | 35
Total deferred tax assets | 112,532 | 100,889
Deferred tax liabilities: |  |
Fixed assets and intangibles | 0 | (10,587)
Other | (18) | (24)
Deferred Tax Liabilities, Gross | (18) | (10,611)
Net deferred tax liabilities | 18 | 0
Less: valuation allowance | (112,532) | (90,278)
Net deferred taxes | $ 0 | $ 10,611

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