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16. FAIR VALUE MEASUREMENTS (Details - Other derivatives) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015
Assets: |  |
Assets | $ 13,401 | $ 14,648
Liabilities: |  |
Liabilities | (4,766) | (2,121)
Derivative Financial Instrument [Member] |  |
Assets: |  |
Assets | 978 | 2,081
Liabilities: |  |
Liabilities | (4,115) | (1,848)
Warrant |  |
Assets: |  |
Assets |  | 0
Liabilities: |  |
Liabilities | (651) | (273)
Defined Benefit Plan Assets Large U.S. Equity [Member] |  |
Assets: |  |
Assets | $ 3,134 | $ 3,662
Liabilities: |  |
Benefit plan allocation percentage | 25.00% | 29.00%
Defined Benefit Plan Assets Small/Mid U.S. Equity [Member] |  |
Assets: |  |
Assets | $ 1,802 | $ 1,099
Liabilities: |  |
Benefit plan allocation percentage | 15.00% | 9.00%
Defined Benefit Plan Assets International Equity [Member] |  |
Assets: |  |
Assets | $ 2,006 | $ 1,525
Liabilities: |  |
Benefit plan allocation percentage | 16.00% | 12.00%
Defined Benefit Plan Assets Fixed Income [Member] |  |
Assets: |  |
Assets | $ 5,481 | $ 6,281
Liabilities: |  |
Benefit plan allocation percentage | 44.00% | 50.00%
Level 1 [Member] |  |
Assets: |  |
Assets | $ 978 | $ 2,081
Liabilities: |  |
Liabilities | (4,115) | (1,848)
Level 1 [Member] | Derivative Financial Instrument [Member] |  |
Assets: |  |
Assets | 978 | 2,081
Liabilities: |  |
Liabilities | (4,115) | 0
Level 1 [Member] | Warrant |  |
Liabilities: |  |
Liabilities | 0 | 0
Level 1 [Member] | Defined Benefit Plan Assets Large U.S. Equity [Member] |  |
Assets: |  |
Assets | 0 | 0
Level 1 [Member] | Defined Benefit Plan Assets Small/Mid U.S. Equity [Member] |  |
Assets: |  |
Assets | 0 | 0
Level 1 [Member] | Defined Benefit Plan Assets International Equity [Member] |  |
Assets: |  |
Assets | 0 | 0
Level 1 [Member] | Defined Benefit Plan Assets Fixed Income [Member] |  |
Assets: |  |
Assets | 0 | 0
Level 2 [Member] |  |
Assets: |  |
Assets | 12,423 | 12,567
Liabilities: |  |
Liabilities | 0 | 0
Level 2 [Member] | Derivative Financial Instrument [Member] |  |
Assets: |  |
Assets | 0 | 0
Liabilities: |  |
Liabilities | 0 | 0
Level 2 [Member] | Warrant |  |
Liabilities: |  |
Liabilities | 0 | 0
Level 2 [Member] | Defined Benefit Plan Assets Large U.S. Equity [Member] |  |
Assets: |  |
Assets | 3,134 | 3,662
Level 2 [Member] | Defined Benefit Plan Assets Small/Mid U.S. Equity [Member] |  |
Assets: |  |
Assets | 1,802 | 1,099
Level 2 [Member] | Defined Benefit Plan Assets International Equity [Member] |  |
Assets: |  |
Assets | 2,006 | 1,525
Level 2 [Member] | Defined Benefit Plan Assets Fixed Income [Member] |  |
Assets: |  |
Assets | 5,481 | 6,281
Level 3 [Member] |  |
Assets: |  |
Assets | 0 | 0
Liabilities: |  |
Liabilities | (651) | (273)
Level 3 [Member] | Derivative Financial Instrument [Member] |  |
Assets: |  |
Assets | 0 | 0
Liabilities: |  |
Liabilities | 0 | 0
Level 3 [Member] | Warrant |  |
Liabilities: |  |
Liabilities | (651) | (273)
Level 3 [Member] | Defined Benefit Plan Assets Large U.S. Equity [Member] |  |
Assets: |  |
Assets | 0 | 0
Level 3 [Member] | Defined Benefit Plan Assets Small/Mid U.S. Equity [Member] |  |
Assets: |  |
Assets | 0 | 0
Level 3 [Member] | Defined Benefit Plan Assets International Equity [Member] |  |
Assets: |  |
Assets | 0 | 0
Level 3 [Member] | Defined Benefit Plan Assets Fixed Income [Member] |  |
Assets: |  |
Assets | $ 0 | $ 0

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