Notes Payable (Details) - USD ($) $ in Thousands |
Dec. 31, 2017 |
Dec. 31, 2016 |
|---|---|---|
| Notes payable, current portion | $ 405 | $ 307 |
| Notes payable, non-current portion | 8,839 | 9,238 |
| Thermo Fisher Financial Service [Member] | ||
| Notes payable, current portion | 128 | 137 |
| Notes payable, non-current portion | 11 | 138 |
| Green Bank [Member] | ||
| Notes payable, current portion | 277 | 170 |
| Notes payable, non-current portion | $ 8,828 | $ 9,100 |
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- Definition Carrying value as of the balance sheet date of notes payable (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Sum of the carrying values as of the balance sheet date of the portions of long-term notes payable due within one year or the operating cycle if longer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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