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Accrued Expenses and other accrued liabilities (Tables) | 12 Months Ended
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Dec. 31, 2017
Payables and Accruals [Abstract] |
Schedule of Accrued expenses and Other Liabilities | Accrued expenses and other liabilities consist of the following components (in thousands):
|  | December 31,
|  | 2017 |  | 2016
Accrued payroll |  | $ | 250 |  |  | $ | 84 |
Accrued clinical testing |  | 320 |  |  | 238 |
Accrued license fees and SRA |  | 260 |  |  | 157 |
Accrued legal and professional fees |  | 50 |  |  | 66 |
Accrued board expenses |  | — |  |  | 91 |
Accrued other |  | 22 |  |  | 14 |
Total accrued expenses and other liabilities |  | $ | 902 |  |  | $ | 650 |

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- Definition Tabular disclosure of the components of accrued liabilities. + References No definition available. + Details
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