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Accrued Liabilities (Tables) | 3 Months Ended
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Mar. 31, 2015
Payables and Accruals [Abstract] |
Schedule of Accrued Liabilities | Accrued liabilities consist of the following:
| March 31, 2015 |  | December 31, 2014
| (In thousands)
Rebates and lease buyouts | $ | 6,234 |  |  | $ | 6,512 |
Advance payments from customers | 4,825 |  |  | 4,834 |
Group purchasing organization fees | 2,989 |  |  | 3,475 |
Taxes payable | 2,827 |  |  | 2,181 |
Other accrued liabilities | 5,238 |  |  | 2,297 |
Total accrued liabilities | $ | 22,113 |  |  | $ | 19,299 |

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