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Depreciation and Amortization | 12 Months Ended
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Dec. 31, 2012
Depreciation and Amortization | (10) Depreciation and Amortization The Company includes all categories of depreciation and amortization on a separate line in its Statement of Operations. The amounts of depreciation and amortization expense excluded from the following operating expenses in its Statement of Operations are:
|  | Year Ended December 31, |
|  | 2012 |  |  | 2011 |  |  | 2010 |
Direct expenses |  | $ | 277,662 |  |  | $ | 283,720 |  |  | $ | 297,517 |
General and administrative expenses |  |  | 4,137 |  |  |  | 4,224 |  |  |  | 5,033 |
Corporate expenses |  |  | 14,284 |  |  |  | 11,695 |  |  |  | 10,153 |
|  | $ | 296,083 |  |  | $ | 299,639 |  |  | $ | 312,703 |

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- Definition Depreciation and amortization disclosure. + References No definition available. + Details
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