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Accrued Expenses (Tables) | 12 Months Ended
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Dec. 31, 2016
Payables and Accruals [Abstract] |
Schedule of Accrued Liabilities | Accrued expenses at December 31, 2016 and 2015, consisted of the following (in thousands):
| 2016 |  | 2015
Payroll taxes | $ | 2,406 |  |  | $ | 2,369 |
Payroll | 7,733 |  |  | 4,971 |
Bonuses | 4,470 |  |  | 5,283 |
Commissions | 974 |  |  | 790 |
Vacation | 8,846 |  |  | 7,748 |
Royalties | 1,806 |  |  | 1,499 |
Value-added tax | 2,046 |  |  | 1,797 |
Other accrued expenses | 16,666 |  |  | 13,389 |
Total | $ | 44,947 |  |  | $ | 37,846 |

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