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Investments (Tables) | 6 Months Ended
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Jun. 30, 2020
Investments [Abstract] |
Investments | The following table summarizes the contract maturity of the available-for-sale securities the Company held as of June 30, 2020:
One year or less | 92 | %
After one year but within two years | 8 | %
Total | 100 | %
Debt Securities, Available-for-sale | The amortized cost, gross unrealized holding gains, gross unrealized holding losses and fair value of cash equivalents and available-for-sale securities by type of security at June 30, 2020 and December 31, 2019 were as follows:
| June 30, 2020 |  |  |  |  |  |
| Amortized Costs |  | Gross Unrealized Holding Gains |  | Gross Unrealized Holding Losses |  | Fair Value
Commercial paper | $ | 15,166 |  |  | $ | 22 |  |  | $ | — |  |  | $ | 15,188 |
Corporate notes/bonds | 44,798 |  |  | 271 |  |  | (4) |  |  | 45,065 |
U.S. Treasuries | 2,257 |  |  | 18 |  |  | — |  |  | 2,275 |
U.S. Government agency securities | 6,020 |  |  | 31 |  |  | — |  |  | 6,051 |
| $ | 68,241 |  |  | $ | 342 |  |  | $ | (4) |  |  | $ | 68,579 |
| December 31, 2019 |  |  |  |  |  |
| Amortized Costs |  | Gross Unrealized Holding Gains |  | Gross Unrealized Holding Losses |  | Fair Value
Commercial paper | $ | 13,932 |  |  | $ | 1 |  |  | $ | (2) |  |  | $ | 13,931 |
Corporate notes/bonds | 36,620 |  |  | 1 |  |  | (24) |  |  | 36,597 |
U.S. Treasuries | 4,513 |  |  | — |  |  | (1) |  |  | 4,512 |
U.S. Government agency securities | 9,786 |  |  | — |  |  | (2) |  |  | 9,784 |
| $ | 64,851 |  |  | $ | 2 |  |  | $ | (29) |  |  | $ | 64,824 |

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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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- Definition Tabular disclosure of investment. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 325 -URI http://asc.fasb.org/topic&trid=2197064 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 321 -URI http://asc.fasb.org/topic&trid=75115024 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -URI http://asc.fasb.org/topic&trid=2196928 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -URI http://asc.fasb.org/topic&trid=2196965 + Details
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