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Accrued Liabilities (Tables) | 12 Months Ended
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Dec. 31, 2015
Payables and Accruals [Abstract] |
Schedule of Accrued Current Liabilities | Accrued current liabilities consisted of the following (in thousands):
| At December 31,
| 2015 |  | 2014
Accrued sales commissions and incentives | $ | 1,005 |  |  | $ | 91 |
Accrued warranty expense | 314 |  |  | 81 |
Accrued legal and professional fees | 151 |  |  | 91 |
Accrued payroll and related benefits | 1,243 |  |  | 541 |
Separation accrual | 96 |  |  | 130 |
Accrued income taxes | 26 |  |  | — |
Accrued other taxes | 65 |  |  | 8 |
Accrued other expenses | 17 |  |  | 20 |
Total accrued liabilities | $ | 2,917 |  |  | $ | 962 |

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