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Accrued Liabilities (Tables) | 12 Months Ended
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Dec. 31, 2016
Payables and Accruals [Abstract] |
Accrued Liabilities | At December 31, accrued liabilities were comprised of the following:
| December 31,
| 2016 |  | 2015
| (in thousands)
Warranty | $ | 7,936 |  |  | $ | 8,469 |
Due to representatives | 9,907 |  |  | 10,597 |
Payroll | 4,129 |  |  | 3,954 |
401(k) Contributions | — |  |  | 3,054 |
Profit sharing | 1,967 |  |  | 2,220 |
Workers' compensation | 580 |  |  | 366 |
Medical self-insurance | 872 |  |  | 676 |
Customer prepayments | 2,256 |  |  | 2,895 |
Donations | 600 |  |  | 600 |
Employee benefits and other | 3,693 |  |  | 4,404 |
Total | $ | 31,940 |  |  | $ | 37,235 |

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