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11. INCOME TAXES (Details - Deferred tax assets and liabilities) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2013 | Dec. 31, 2012
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Income Tax Disclosure [Abstract] |  |
Net operating losses | $ 82,630 | $ 81,348
Accrued expenses | 11,663 | 9,679
Unfavorable contract liability | 3,365 | 3,901
Equity compensation | 645 | 2,406
Allowance for doubtful accounts | 0 | 1,831
Other | 1,400 | 1,194
Valuation allowance | (6,593) | (7,645)
Total deferred tax assets | 93,110 | 92,714
Deferred tax liabilities: |  |
Property & equipment | (7,948) | (9,680)
Goodwill | (15,101) | (14,221)
Intangibles | (12,162) | (10,411)
Allowance for doubtful accounts | (3,061) | 0
Other | (1,603) | (2,260)
Total deferred tax liabilities | (39,875) | (36,572)
Net deferred tax asset | $ 53,235 | $ 56,142

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