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15. COMMITMENTS AND CONTINGENCIES (Tables) | 12 Months Ended
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Dec. 31, 2016
Commitments and Contingencies Disclosure [Abstract] |
Schedule of future minimum lease payments - Capital and Operating Leases |
Years Ended December 31, |  | Capital Leases |  |  | Operating Leases |
2017 |  | $ | 930 |  |  | $ | 14,011 |
2018 |  |  | 588 |  |  |  | 11,822 |
2019 |  |  | – |  |  |  | 8,929 |
2020 |  |  | – |  |  |  | 4,942 |
2021 |  |  | – |  |  |  | 1,991 |
Thereafter |  |  | – |  |  |  | 2,812 |
Total minimum payments |  |  | 1,518 |  |  | $ | 44,507 |
Amount representing interest |  |  | (177 | ) |  |  |  |
Obligations under capital leases |  |  | 1,341 |  |  |  |  |
Obligations due within one year |  |  | (794 | ) |  |  |  |
Long-term obligations under capital leases |  | $ | 547 |  |  |  |  |

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