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INCOME TAXES. (Details Narrative) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Valuation allowance | $ 24,639 | $ 12,683 | $ 39,838
Change in valuation allowance | $ 11,956 | (27,155) |
Tax benefit related to adjustments to tax asset valuation allowance from prior year |  |  | 1,500
Revised federal income tax rate | 21.00% |  |
Valuation allowance absent of deferred tax liability | $ (10,545) |  |
Decreased gross deferred assets | (10,170) |  |
Accrued tax uncertainties | $ 235 |  |
Description of income tax | Other significant provisions of the TCJA that are not yet effective but may impact income taxes in future years include: additional limitations on certain meals and entertainment expenses, the inclusion of commissions and performance-based compensation in determining the excessive compensation limitation, limitation on the current deductibility of net interest expense in excess of 30% of adjusted taxable income, and a limitation of net operating losses generated after fiscal 2018 to 80% of taxable income. |  |
Income tax benefit | $ (321) | (981) | $ (10,034)
PE Central [Member] |  |  |
Change in valuation allowance |  | (13,500) |
Pacific Aurora [Member] |  |  |
Change in valuation allowance |  | $ (11,500) |

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