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Income Taxes (Details 3) - USD ($) $ in Thousands | Dec. 31, 2015 | Dec. 31, 2014
--- | --- | ---
Deferred tax assets: |  |
Accruals | $ 1,109 | $ 1,053
Stock compensation | 1,352 | 1,210
Net operating losses | 17,190 | 14,681
Basis difference in fixed assets | 7 | 2
Total deferred tax assets | 19,658 | 16,946
Valuation allowance | $ (19,658) | $ (16,946)
Total net deferred tax assets |  |

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