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Stockholders' Equity (Tables) | 6 Months Ended
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Jun. 30, 2021
Equity [Abstract] |
Schedule of Accumulated Other Comprehensive Income (Loss) | The following table summarizes the changes in each component of accumulated other comprehensive income (loss), net of tax, for 2021:
|  | Unrealized gains (losses) on short-term investments |  | Total
Balance at December 31, 2020 |  | $ | 83 |  |  | $ | 83 |
Other comprehensive loss before reclassifications |  | (51) |  |  | (51) |
Net current period other comprehensive loss |  | (51) |  |  | (51) |
Balance at March 31, 2021 |  | $ | 32 |  |  | $ | 32 |
Other comprehensive income (loss) before reclassifications |  | (27) |  |  | (27) |
Net current period other comprehensive income |  | (27) |  |  | (27) |
Balance at June 30, 2021 |  | $ | 5 |  |  | $ | 5 |
The following table summarizes the changes in each component of accumulated other comprehensive income (loss), net of tax, for 2020:
|  | Unrealized gains (losses) on short-term investments |  | Total
Balance at December 31, 2019 |  | $ | (27) |  |  | $ | (27) |
Other comprehensive income before reclassifications |  | 10 |  |  | 10 |
Net current period other comprehensive income |  | 10 |  |  | 10 |
Balance at March 31, 2020 |  | $ | (17) |  |  | $ | (17) |
Other comprehensive income (loss) before reclassifications |  | 352 |  |  | 352 |
Net losses (gains) reclassified from accumulated other comprehensive loss |  | 3 |  |  | 3 |
Net current period other comprehensive income |  | 355 |  |  | 355 |
Balance at June 30, 2020 |  | $ | 338 |  |  | $ | 338 |

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450520&loc=d3e32583-110901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=124509347&loc=SL7669686-108580 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 45 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900 + Details
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