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v3.19.1

Summary of Significant Accounting Policies (Tables) | 3 Months Ended
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Mar. 31, 2019
Accounting Policies [Abstract] |
Schedule of Cash and Equivalents | Cash and cash equivalents consist of highly liquid investments with maturities of three months or less from the date of purchase. Cash and cash equivalents consist of the following at (in thousands):
|  | March 31, 2019 |  |  | December 31, 2018 |
Cash |  | $ | 9,370 |  |  | $ | 6,750 |
Money market funds |  |  | 49,113 |  |  |  | 39,168 |
Asset-backed securities |  |  | 15,000 |  |  |  | 15,000 |
Corporate debt securities |  |  | 24,228 |  |  |  | 9,236 |
Cash and cash equivalents |  | $ | 97,711 |  |  | $ | 70,154 |
Reconciliation of Cash, Cash Equivalents and Restricted Cash | The following table provides a reconciliation of cash, cash equivalents and restricted cash reported within the consolidated balance sheets that sum to the total of the same such amounts shown in the statement of cash flows (in thousands):
|  | March 31, 2019 |  |  | December 31, 2018 |
Cash and cash equivalents |  | $ | 97,711 |  |  | $ | 70,154 |
Restricted cash current |  |  | 6,628 |  |  |  | 10,847 |
Restricted cash non-current |  |  | 1,860 |  |  |  | 958 |
Cash, cash equivalents and restricted cash |  | $ | 106,199 |  |  | $ | 81,959 |

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