XML 43 R32.htm IDEA: XBRL DOCUMENT
v3.21.2

Fair Value Measurements (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2021
Fair Value Disclosures [Abstract] |
Summary of Placement in the Fair Value Hierarchy of Financial Assets that are Measured at Fair Value on a Recurring Basis | The following table presents the placement in the fair value hierarchy of financial assets that are measured at fair value on a recurring basis as of September 30, 2021:
| Quoted Prices in Active Markets (Level 1) |  | Significant Other Observable Inputs (Level 2) |  | Significant Unobservable Inputs (Level 3) |  | September 30, 2021
Assets |  |  |  |  |  |  |
U.S. government debt securities | $ | — |  |  | $ | 139,345 |  |  | $ | — |  |  | $ | 139,345 |
Certificates of deposit | — |  |  | 265 |  |  | — |  |  | 265 |
Total | $ | — |  |  | $ | 139,610 |  |  | $ | — |  |  | $ | 139,610 |
The following table presents the placement in the fair value hierarchy of financial assets that are measured at fair value on a recurring basis as of December 31, 2020:
| Quoted Prices in Active Markets (Level 1) |  | Significant Other Observable Inputs (Level 2) |  | Significant Unobservable Inputs (Level 3) |  | December 31, 2020
Assets |  |  |  |  |  |  |
U.S. government debt securities | $ | — |  |  | $ | 48,061 |  |  | $ | — |  |  | $ | 48,061 |
Certificates of deposit | — |  |  | 264 |  |  | — |  |  | 264 |
Total | $ | — |  |  | $ | 48,325 |  |  | $ | — |  |  | $ | 48,325 |

X
- 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=123874694&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 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueAssetsMeasuredOnRecurringBasisTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_FairValueDisclosuresAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration