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Marketable Securities and Fair Value Disclosures (Tables) | 12 Months Ended
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Dec. 31, 2018
Marketable Securities And Fair Value Disclosures [Abstract] |
Summary of Marketable Securities | There were no marketable securities as of December 31, 2018. Marketable securities consisted of the following as of December 31, 2017 (in thousands):
| December 31, 2017 |
|  |  |  |  | Gross |  |  | Gross |  |  |  |  |
| Amortized |  |  | Unrealized |  |  | Unrealized |  |  | Fair |
| Cost |  |  | Gains |  |  | Losses |  |  | Value |
Short-term available-for-sale securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate bonds | $ | 3,052 |  |  | $ | — |  |  | $ | (2 | ) |  | $ | 3,050 |
Total | $ | 3,052 |  |  | $ | — |  |  | $ | (2 | ) |  | $ | 3,050 |
Summary of Assets Measured at Fair Value on Recurring Basis | The following table identifies the Company’s assets that were measured at fair value on a recurring basis (in thousands):
| Balance |  |  | Level 1 |  |  | Level 2 |  |  | Level 3 |
December 31, 2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Money market | $ | 6,529 |  |  | $ | 6,529 |  |  | $ | — |  |  | $ | — |
Total | $ | 6,529 |  |  | $ | 6,529 |  |  | $ | — |  |  | $ | — |
December 31, 2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Money market | $ | 8,189 |  |  | $ | 8,189 |  |  | $ | — |  |  | $ | — |
Corporate bonds |  | 3,725 |  |  |  | — |  |  |  | 3,725 |  |  |  | — |
Total | $ | 11,914 |  |  | $ | 8,189 |  |  | $ | 3,725 |  |  | $ | — |

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- Definition Marketable securities and fair value disclosures. + References No definition available. + Details
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- Definition Tabular disclosure of assets, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19190-110258 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258 + Details
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- Definition Tabular disclosure of the reconciliation of available-for-sale securities from cost basis to fair value. + References No definition available. + Details
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