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Available-for-sale debt securities (Tables) | 3 Months Ended
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Mar. 31, 2019
Available-for-sale debt securities |
Schedule of investments in available-for-sale debt securities | As of March 31, 2019, the Company has the following investments in available-for-sale debt securities (in thousands):
|  |  |  |  |  |  | Gross |  | Gross |  | Aggregate
|  |  |  | Amortized |  | Unrealized |  | Unrealized |  | Estimated
|  | Maturity |  | cost |  | Gains |  | Losses |  | Fair Value
Cash equivalents: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate debt securities |  | Less than 3 months |  | $ | 7,990 |  | $ | — |  | $ | — |  | $ | 7,990
|  |  |  | $ | 7,990 |  | $ | — |  | $ | — |  | $ | 7,990
Marketable securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate debt securities |  | 3 months to 1 year |  | $ | 109,203 |  | $ | 64 |  | $ | (15) |  | $ | 109,252
Agency bond |  | 3 months to 1 year |  |  | 3,990 |  |  | 5 |  |  | — |  |  | 3,995
Treasury bills |  | 3 months to 1 year |  |  | 1,992 |  |  | — |  |  | — |  |  | 1,992
Certificate of deposit |  | 3 months to 1 year |  |  | 3,002 |  |  | — |  |  | — |  |  | 3,002
|  |  |  | $ | 118,187 |  | $ | 69 |  | $ | (15) |  | $ | 118,241

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- References No definition available. + Details
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- Definition Tabular disclosure of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -URI http://asc.fasb.org/topic&trid=2196928 + Details
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