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Accrued Liabilities (Tables) | 6 Months Ended
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Jun. 30, 2015
Accrued Liabilities, Current [Abstract] |
Schedule of Accrued Liabilities | Accrued liabilities consist of the following:
| June 30, 2015 |  | December 31, 2014
Interest | $ | 28,513 |  |  | $ | 28,685 |
Employee related costs | 77,020 |  |  | 102,608 |
Income taxes payable | 10,143 |  |  | 11,876 |
Other accrued expenses | 38,423 |  |  | 61,617 |
Total accrued liabilities | $ | 154,099 |  |  | $ | 204,786 |

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