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Available-for-Sale-Securities | 12 Months Ended
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Dec. 31, 2019
Investments, Debt and Equity Securities [Abstract] |
Available-for-Sale-Securities | Available-for-Sale-Securities The following table is a summary of available-for-sale securities recorded in cash and cash equivalents in the Company's Consolidated Balance Sheets (in thousands):
| December 31, 2019 |  | December 31, 2018
| Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Estimated Fair Value |  | Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Estimated Fair Value
Corporate debt securities | $ | 11,673 |  |  | $ | 3 |  |  | $ | (1 | ) |  | $ | 11,675 |  |  | $ | 33,536 |  |  | $ | — |  |  | $ | (32 | ) |  | $ | 33,504 |
Money market funds | 11,093 |  |  | — |  |  | — |  |  | 11,093 |  |  | 4,314 |  |  | — |  |  | — |  |  | 4,314 |
Total | $ | 22,766 |  |  | $ | 3 |  |  | $ | (1 | ) |  | $ | 22,768 |  |  | $ | 37,850 |  |  | $ | — |  |  | $ | (32 | ) |  | $ | 37,818 |
Estimated fair values of available-for-sale securities are generally based on prices obtained from commercial pricing services. The following table summarizes the classification of the available-for-sale debt securities on the Company's Consolidated Balance Sheets (in thousands):
| December 31, 2019 |  | December 31, 2018
Cash and cash equivalents | $ | 11,643 |  |  | $ | 5,064 |
Marketable securities | 11,125 |  |  | 32,754 |
Total | $ | 22,768 |  |  | $ | 37,818 |
The following table summarizes the Company's portfolio of available-for-sale securities by contractual maturity (in thousands):
| December 31, 2019 |  | December 31, 2018
| Amortized Cost |  | Estimated Fair Value |  | Amortized Cost |  | Estimated Fair Value
Less than one year | $ | 22,766 |  |  | $ | 22,768 |  |  | $ | 37,850 |  |  | $ | 37,818 |
Greater than one year | — |  |  | — |  |  | — |  |  | — |
Total | $ | 22,766 |  |  | $ | 22,768 |  |  | $ | 37,850 |  |  | $ | 37,818 |

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- Definition The entire disclosure of cash, cash equivalents, and debt and equity securities, including any unrealized or realized gain (loss). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -URI http://asc.fasb.org/topic&trid=2196928 + Details
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