Income Taxes Deferred Taxes (Details) - USD ($) $ in Thousands |
Dec. 31, 2016 |
Dec. 31, 2015 |
|---|---|---|
| Deferred tax assets: | ||
| Deferred Tax Asset, Operating and Capital Loss Carryforwards and Credits | $ 83,323 | $ 71,494 |
| Stock compensation | 2,416 | 1,385 |
| Deferred tax assets intangibles and fixed assets | 14,343 | 1,359 |
| Basis of investments in affiliates | 2,195 | 499 |
| Accrued liabilities and other | 422 | 442 |
| State taxes | 90 | 81 |
| Total deferred tax assets | 102,789 | 75,260 |
| Deferred tax liabilities: | ||
| Fixed assets and intangibles | 0 | 0 |
| Other | (162) | (81) |
| Deferred Tax Liabilities, Gross | (162) | (81) |
| Net deferred tax liabilities | 0 | 0 |
| Less: valuation allowance | (102,627) | (75,179) |
| Net deferred taxes | $ 162 | $ 81 |