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7. INCOME TAXES (Details-Deferred tax assets) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2013 | Dec. 31, 2012
--- | --- | ---
Deferred tax assets: |  |
Net operating loss carryforward | $ 17,566 | $ 17,818
Capital loss carryover | 844 | 840
Stock-based compensation | 556 | 278
Derivative instruments mark-to-market | 259 |
Other accrued liabilities | 395 | 156
Fixed assets | 119 | 167
Other | 217 | 207
Total deferred tax assets | 19,956 | 19,466
Deferred tax liabilities: |  |
Investment in New PE Holdco | (11,074) | (7,480)
Intangibles | (1,325) | (1,513)
Derivative instruments mark-to-market | (226) | (9)
Total deferred tax liabilities | (12,625) | (9,002)
Valuation allowance | (8,422) | (11,555)
Net deferred tax liabilities | (1,091) | (1,091)
Classified in balance sheet as: |  |
Deferred income tax benefit (current assets) | 0 | 0
Deferred income taxes (long-term liability) | (1,091) | (1,091)
Deferred income taxes | $ (1,091) | $ (1,091)

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