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Depreciation and Amortization | 6 Months Ended
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Jun. 30, 2017
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Depreciation and Amortization | Note 4. Depreciation and Amortization Depreciation and amortization expense for property and equipment and intangible assets for the three and six months ended June 30, 2017 and 2016 was as follows (in thousands):
|  | Three Months Ended |  |  | Six Months Ended |
|  | June 30, |  |  | June 30, |
|  | 2017 |  |  | 2016 |  |  | 2017 |  |  | 2016 |
Operating expenses |  | $ | 5,546 |  |  | $ | 5,322 |  |  | $ | 11,089 |  |  | $ | 10,452 |
Corporate general and administrative expenses |  |  | 92 |  |  |  | 115 |  |  |  | 190 |  |  |  | 230 |
Total depreciation and amortization expense |  | $ | 5,638 |  |  | $ | 5,437 |  |  | $ | 11,279 |  |  | $ | 10,682 |

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