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Cash and Cash Equivalents (Tables) | 3 Months Ended
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Mar. 31, 2018
Cash and Cash Equivalents [Abstract] |
Summary of cash and cash equivalents | Cash and cash equivalents consisted of the following (in thousands):
|  | March 31, 2018 |  | December 31, 2017
Cash and cash equivalents: |  |  |  |
Cash |  | $ | 38,840 |  |  | $ | 35,999 |
Money market funds |  | 3,788 |  |  | 3,776 |
|  | $ | 42,628 |  |  | $ | 39,775 |

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- Definition Tabular disclosure of the components of cash and cash equivalents. + References No definition available. + Details
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